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About the KEV Catalog For the benefit of the cybersecurity community and network defenders — and to help every organization better manage vulnerabilities and keep pace with threat activity — CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild. Organizations should use the KEV catalog as an input to their vulnerability management prioritization framework. Per Binding Operational Directive 26-04 (issued June 10, 2026, replacing BOD 22-01), federal civilian executive branch (FCEB) agencies must remediate each vulnerability within a timeline set by four factors: whether the asset is publicly exposed, whether the CVE is in the KEV catalog, whether exploitation is automatable, and technical impact. KEV status is now one input rather than the whole rule, and the most dangerous combinations call for remediation in three days plus forensic triage. Listings added before June 10, 2026 carry their original BOD 22-01 due dates. CISA strongly recommends all organizations — including private sector entities — prioritize remediation of KEV catalog vulnerabilities. View the full KEV catalog on CISA.gov →
Total KEVs
1,773
in CISA catalog
Ransomware-Linked
361
20% of catalog
Added Last 30 Days
34
108 in last 90 days
Latest Addition
2026-11-09
most recent entry
Tracked Vendors
20+
top 20 shown

Top Vendors

KEV count 20%+ ransomware-linked 41%+ ransomware-linked N RW · %Ransomware-linked share

Share of each bar's KEVs linked to ransomware. Thresholds track the catalog average of 20.4%, so they stay meaningful as it grows. Bars under 5 KEVs are left uncoloured — too few to rate a share.

390
117 RW · 30%
102
7 RW · 7%
96
83
11 RW · 13%
76
46
13 RW · 28%
41
8 RW · 20%
38
12 RW · 32%
32
2 RW · 6%
32
14 RW · 44%
27
7 RW · 26%
26
9 RW · 35%
26
2 RW · 8%
20
13 RW · 65%
19
6 RW · 32%
17
16
6 RW · 38%
15
14
8 RW · 57%
SAP
14
3 RW · 21%

Top Products

KEV count 20%+ ransomware-linked 41%+ ransomware-linked N RW · %Ransomware-linked share

Share of each bar's KEVs linked to ransomware. Thresholds track the catalog average of 20.4%, so they stay meaningful as it grows. Bars under 5 KEVs are left uncoloured — too few to rate a share.

Windows · Microsoft
175
49 RW · 28%
Multiple Products · Apple
55
Chromium V8 · Google
41
Internet Explorer · Microsoft
36
6 RW · 17%
Flash Player · Adobe
33
5 RW · 15%
Kernel · Linux
32
2 RW · 6%
Office · Microsoft
29
3 RW · 10%
Win32k · Microsoft
25
11 RW · 44%
Exchange Server · Microsoft
17
13 RW · 76%
Zimbra Collaboration Suite (ZCS) · Synacor
17
5 RW · 29%
ColdFusion · Adobe
16
3 RW · 19%
SharePoint · Microsoft
15
8 RW · 53%
IOS and IOS XE Software · Cisco
14
Acrobat and Reader · Adobe
13
1 RW · 8%
PAN-OS · Palo Alto Networks
13
6 RW · 46%
Mobile Devices · Samsung
13
WebLogic Server · Oracle
12
2 RW · 17%
iOS, iPadOS, and macOS · Apple
11
Multiple Chipsets · Qualcomm
11
NetWeaver · SAP
10
2 RW · 20%
Clear 1,470 entries
BOD 26-04 window, if the asset is publicly exposed: 3 days + forensic triage 1470 3 days 151 14 days 152 Not publicly exposed, the 3-day tiers shrink to 14 days except total-control, automatable entries.
CVE Vendor Product Vulnerability CVSS Added Federal due date BOD 26-04 Ransomware
CVE-2021-38649 Microsoft Open Management Infrastructure (OMI) Microsoft Open Management Infrastructure (OMI) Privilege Escalation Vulnerability Microsoft Open Management Infrastructure (OMI) within Azure VM Management Extensions contains an unspecified vulnerability allowing privilege escalation. 7.0 CNA 2021-11-03 2021-11-17 3 days + forensic triage not automatable · total Unknown
CVE-2021-36948 Microsoft Windows Microsoft Windows Update Medic Service Privilege Escalation Vulnerability Microsoft Windows Update Medic Service contains an unspecified vulnerability that allows for privilege escalation. 7.8 CNA 2021-11-03 2021-11-17 3 days + forensic triage not automatable · total Unknown
CVE-2017-7269 Microsoft Internet Information Services (IIS) Microsoft Windows Server Buffer Overflow Vulnerability Microsoft Windows Server 2003 R2 contains a buffer overflow vulnerability in Internet Information Services (IIS) 6.0 which allows remote attackers to execute code via a long header beginning with "If: <http://" in a PROPFIND request. 9.8 CISA 2021-11-03 2022-05-03 3 days + forensic triage automatable · total Unknown
CVE-2021-34523 Microsoft Exchange Server Microsoft Exchange Server Privilege Escalation Vulnerability Microsoft Exchange Server contains an unspecified vulnerability that allows for privilege escalation. 9.0 CNA 2021-11-03 2021-11-17 3 days + forensic triage not automatable · total Known
CVE-2021-38645 Microsoft Open Management Infrastructure (OMI) Microsoft Open Management Infrastructure (OMI) Privilege Escalation Vulnerability Microsoft Open Management Infrastructure (OMI) within Azure VM Management Extensions contains an unspecified vulnerability that allows for privilege escalation. 7.8 CNA 2021-11-03 2021-11-17 3 days + forensic triage not automatable · total Unknown
CVE-2020-1020 Microsoft Windows Microsoft Windows Adobe Font Manager Library Remote Code Execution Vulnerability Microsoft Windows Adobe Font Manager Library contains an unspecified vulnerability when handling specially crafted multi-master fonts (Adobe Type 1 PostScript format) that allows for remote code execution for all systems except Windows 10. For systems running Windows 10, an attacker who successfully exploited the vulnerability could execute code in an AppContainer sandbox context with limited privileges and capabilities. 8.8 CISA 2021-11-03 2022-05-03 3 days + forensic triage not automatable · total Unknown
CVE-2020-0986 Microsoft Windows Microsoft Windows Kernel Privilege Escalation Vulnerability Microsoft Windows kernel contains an unspecified vulnerability when handling objects in memory that allows attackers to escalate privileges and execute code in kernel mode. 7.8 CISA 2021-11-03 2022-05-03 3 days + forensic triage not automatable · total Unknown
CVE-2020-17144 Microsoft Exchange Server Microsoft Exchange Server Remote Code Execution Vulnerability Microsoft Exchange Server improperly validates cmdlet arguments which allow an attacker to perform remote code execution. 8.4 CNA 2021-11-03 2022-05-03 3 days + forensic triage automatable · total Unknown
CVE-2020-0938 Microsoft Windows Microsoft Windows Adobe Font Manager Library Remote Code Execution Vulnerability Microsoft Windows Adobe Font Manager Library contains an unspecified vulnerability when handling specially crafted multi-master fonts (Adobe Type 1 PostScript format) that allows for remote code execution for all systems except Windows 10. For systems running Windows 10, an attacker who successfully exploited the vulnerability could execute code in an AppContainer sandbox context with limited privileges and capabilities. 7.8 CISA 2021-11-03 2022-05-03 3 days + forensic triage not automatable · total Unknown
CVE-2021-31979 Microsoft Windows Microsoft Windows Kernel Privilege Escalation Vulnerability Microsoft Windows kernel contains an unspecified vulnerability that allows for privilege escalation. 7.8 CISA 2021-11-03 2021-11-17 3 days + forensic triage not automatable · total Unknown
CVE-2021-31956 Microsoft Windows Microsoft Windows NTFS Privilege Escalation Vulnerability Microsoft Windows New Technology File System (NTFS) contains an unspecified vulnerability that allows attackers to escalate privileges via a specially crafted application. 7.8 CNA 2021-11-03 2021-11-17 3 days + forensic triage not automatable · total Unknown
CVE-2021-33771 Microsoft Windows Microsoft Windows Kernel Privilege Escalation Vulnerability Microsoft Windows kernel contains an unspecified vulnerability that allows for privilege escalation. 7.8 CNA 2021-11-03 2021-11-17 3 days + forensic triage not automatable · total Unknown
CVE-2021-31199 Microsoft Enhanced Cryptographic Provider Microsoft Enhanced Cryptographic Provider Privilege Escalation Vulnerability Microsoft Enhanced Cryptographic Provider contains an unspecified vulnerability that allows for privilege escalation. 5.2 CNA 2021-11-03 2021-11-17 3 days + forensic triage not automatable · total Unknown
CVE-2021-33742 Microsoft Windows Microsoft Windows MSHTML Platform Remote Code Execution Vulnerability Microsoft Windows MSHTML Platform contains an unspecified vulnerability that allows for remote code execution. 7.5 CNA 2021-11-03 2021-11-17 3 days + forensic triage not automatable · total Unknown
CVE-2020-17087 Microsoft Windows Microsoft Windows Kernel Privilege Escalation Vulnerability Microsoft Windows kernel contains an unspecified vulnerability that allows for privilege escalation. 7.8 CNA 2021-11-03 2022-05-03 3 days + forensic triage not automatable · total Unknown
CVE-2020-0683 Microsoft Windows Microsoft Windows Installer Privilege Escalation Vulnerability Microsoft Windows Installer contains a privilege escalation vulnerability when MSI packages process symbolic links, which allows attackers to bypass access restrictions to add or remove files. 7.8 CISA 2021-11-03 2022-05-03 3 days + forensic triage not automatable · total Unknown
CVE-2016-0185 Microsoft Windows Microsoft Windows Media Center Remote Code Execution Vulnerability Microsoft Windows Media Center contains a remote code execution vulnerability when Windows Media Center opens a specially crafted Media Center link (.mcl) file that references malicious code. 7.8 CISA 2021-11-03 2022-05-03 3 days + forensic triage not automatable · total Unknown
CVE-2021-33739 Microsoft Windows Microsoft Desktop Window Manager (DWM) Core Library Privilege Escalation Vulnerability Microsoft Desktop Window Manager (DWM) Core Library contains an unspecified vulnerability that allows for privilege escalation. 8.4 CNA 2021-11-03 2021-11-17 3 days + forensic triage not automatable · total Unknown
CVE-2021-1647 Microsoft Defender Microsoft Defender Remote Code Execution Vulnerability Microsoft Defender contains an unspecified vulnerability that allows for remote code execution. 7.8 CNA 2021-11-03 2021-11-17 3 days + forensic triage not automatable · total Unknown
CVE-2020-0878 Microsoft Edge and Internet Explorer Microsoft Edge and Internet Explorer Memory Corruption Vulnerability Microsoft Edge and Internet Explorer contain a memory corruption vulnerability that allows attackers to execute code in the context of the current user. 4.2 CNA 2021-11-03 2022-05-03 3 days + forensic triage not automatable · total Known
CVE-2016-0167 Microsoft Win32k Microsoft Win32k Privilege Escalation Vulnerability Microsoft Win32k contains an unspecified vulnerability that allows for privilege escalation via a crafted application 7.8 CISA 2021-11-03 2022-05-03 3 days + forensic triage not automatable · total Known
CVE-2021-38647 Microsoft Open Management Infrastructure (OMI) Microsoft Open Management Infrastructure (OMI) Remote Code Execution Vulnerability Microsoft Open Management Infrastructure (OMI) within Azure VM Management Extensions contains an unspecified vulnerability allowing remote code execution. 9.8 CNA 2021-11-03 2021-11-17 3 days + forensic triage automatable · total Known
CVE-2021-22502 Micro Focus Operation Bridge Reporter (OBR) Micro Focus Operation Bridge Report (OBR) Remote Code Execution Vulnerability Micro Focus Operation Bridge Report (OBR) contains an unspecified vulnerability that allows for remote code execution. 9.8 CISA 2021-11-03 2021-11-17 3 days + forensic triage automatable · total Unknown
CVE-2021-23874 McAfee McAfee Total Protection (MTP) McAfee Total Protection (MTP) Improper Privilege Management Vulnerability McAfee Total Protection (MTP) contains an improper privilege management vulnerability that allows a local user to gain elevated privileges and execute code, bypassing MTP self-defense. 8.2 CNA 2021-11-03 2021-11-17 3 days + forensic triage not automatable · total Unknown
CVE-2020-7961 Liferay Liferay Portal Liferay Portal Deserialization of Untrusted Data Vulnerability Liferay Portal contains a deserialization of untrusted data vulnerability that allows remote attackers to execute code via JSON web services. 9.8 CISA 2021-11-03 2022-05-03 3 days + forensic triage automatable · total Unknown
CVE-2021-30116 Kaseya Virtual System/Server Administrator (VSA) Kaseya Virtual System/Server Administrator (VSA) Information Disclosure Vulnerability Kaseya Virtual System/Server Administrator (VSA) contains an information disclosure vulnerability allowing an attacker to obtain the sessionId that can be used to execute further attacks against the system. 10.0 CNA 2021-11-03 2021-11-17 3 days + forensic triage automatable · total Known
CVE-2020-15505 Ivanti MobileIron Multiple Products Ivanti MobileIron Multiple Products Remote Code Execution Vulnerability Ivanti MobileIron's Core & Connector, Sentry, and Monitor and Reporting Database (RDB) products contain an unspecified vulnerability that allows for remote code execution. 9.8 CISA 2021-11-03 2022-05-03 3 days + forensic triage automatable · total Unknown
CVE-2019-4716 IBM Planning Analytics IBM Planning Analytics Remote Code Execution Vulnerability IBM Planning Analytics is vulnerable to a configuration overwrite that allows an unauthenticated user to login as "admin", and then execute code as root or SYSTEM via TM1 scripting. 10.0 CNA 2021-11-03 2022-05-03 3 days + forensic triage automatable · total Unknown
CVE-2020-4428 IBM Data Risk Manager IBM Data Risk Manager Remote Code Execution Vulnerability IBM Data Risk Manager contains an unspecified vulnerability which could allow a remote, authenticated attacker to execute commands on the system.� 9.1 CNA 2021-11-03 2022-05-03 3 days + forensic triage not automatable · total Unknown
CVE-2020-4427 IBM Data Risk Manager IBM Data Risk Manager Security Bypass Vulnerability IBM Data Risk Manager contains a security bypass vulnerability that could allow a remote attacker to bypass security restrictions when configured with SAML authentication. By sending a specially crafted HTTP request, an attacker could exploit this vulnerability to bypass the authentication process and gain full administrative access to the system. 9.0 CNA 2021-11-03 2022-05-03 3 days + forensic triage automatable · total Unknown
CVE-2021-30563 Google Chromium V8 Google Chromium V8 Type Confusion Vulnerability Google Chromium V8 Engine contains a type confusion vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera. 8.8 CISA 2021-11-03 2021-11-17 3 days + forensic triage not automatable · total Unknown
CVE-2021-21220 Google Chromium V8 Google Chromium V8 Improper Input Validation Vulnerability Google Chromium V8 Engine contains an improper input validation vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera. 8.8 CISA 2021-11-03 2021-11-17 3 days + forensic triage not automatable · total Unknown
CVE-2021-21193 Google Chromium Blink Google Chromium Blink Use-After-Free Vulnerability Google Chromium Blink contains a use-after-free vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera. 8.8 CISA 2021-11-03 2021-11-17 3 days + forensic triage not automatable · total Unknown
CVE-2021-21224 Google Chromium V8 Google Chromium V8 Type Confusion Vulnerability Google Chromium V8 Engine contains a type confusion vulnerability that allows a remote attacker to execute code inside a sandbox via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera. 8.8 CISA 2021-11-03 2021-11-17 3 days + forensic triage not automatable · total Unknown
CVE-2021-38003 Google Chromium V8 Google Chromium V8 Memory Corruption Vulnerability Google Chromium V8 Engine has a bug in JSON.stringify, where the internal TheHole value can leak to script code, causing memory corruption. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera. 8.8 CISA 2021-11-03 2021-11-17 3 days + forensic triage not automatable · total Unknown
CVE-2021-21206 Google Chromium Blink Google Chromium Blink Use-After-Free Vulnerability Google Chromium Blink contains a use-after-free vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera. 8.8 CISA 2021-11-03 2021-11-17 3 days + forensic triage not automatable · total Unknown
CVE-2021-30554 Google Chromium WebGL Google Chromium WebGL Use-After-Free Vulnerability Google Chromium WebGL contains a use-after-free vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera. 8.8 CISA 2021-11-03 2021-11-17 3 days + forensic triage not automatable · total Unknown
CVE-2020-6418 Google Chromium V8 Google Chromium V8 Type Confusion Vulnerability Google Chromium V8 Engine contains a type confusion vulnerability allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera. 8.8 CISA 2021-11-03 2022-05-03 3 days + forensic triage not automatable · total Unknown
CVE-2021-37975 Google Chromium V8 Google Chromium V8 Use-After-Free Vulnerability Google Chromium V8 Engine contains a use-after-free vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera. 8.8 CISA 2021-11-03 2021-11-17 3 days + forensic triage not automatable · total Unknown
CVE-2021-30551 Google Chromium V8 Google Chromium V8 Type Confusion Vulnerability Google Chromium V8 Engine contains a type confusion vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera. 8.8 CISA 2021-11-03 2021-11-17 3 days + forensic triage not automatable · total Unknown
CVE-2021-37973 Google Chromium Portals Google Chromium Portals Use-After-Free Vulnerability Google Chromium Portals contains a use-after-free vulnerability that allows a remote attacker, who has compromised the renderer process, to potentially perform a sandbox escape via a crafted HTML page. This vulnerability affects web browsers that utilize Chromium, including Google Chrome and Microsoft Edge. 9.6 CISA 2021-11-03 2021-11-17 3 days + forensic triage not automatable · total Unknown
CVE-2021-21148 Google Chromium V8 Google Chromium V8 Heap Buffer Overflow Vulnerability Google Chromium V8 Engine contains a heap buffer overflow vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera. 8.8 CISA 2021-11-03 2021-11-17 3 days + forensic triage not automatable · total Unknown
CVE-2021-30633 Google Chromium Indexed DB API Google Chromium Indexed DB API Use-After-Free Vulnerability Google Chromium Indexed DB API contains a use-after-free vulnerability that allows a remote attacker, who has compromised the renderer process, to potentially perform a sandbox escape via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera. 9.6 CISA 2021-11-03 2021-11-17 3 days + forensic triage not automatable · total Unknown
CVE-2020-16013 Google Chromium V8 Google Chromium V8 Incorrect Implementation Vulnerabililty Google Chromium V8 Engine contains an inappropriate implementation vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera. 8.8 CISA 2021-11-03 2022-05-03 3 days + forensic triage not automatable · total Unknown
CVE-2021-30632 Google Chromium V8 Google Chromium V8 Out-of-Bounds Write Vulnerability Google Chromium V8 Engine contains an out-of-bounds write vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera. 8.8 CISA 2021-11-03 2021-11-17 3 days + forensic triage not automatable · total Unknown
CVE-2020-16009 Google Chromium V8 Google Chromium V8 Type Confusion Vulnerability Google Chromium V8 Engine contains a type confusion vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera. 8.8 CISA 2021-11-03 2022-05-03 3 days + forensic triage not automatable · total Unknown
CVE-2020-16017 Google Chrome Google Chrome Use-After-Free Vulnerability Google Chrome contains a use-after-free vulnerability that allows a remote attacker, who has compromised the renderer process, to potentially perform a sandbox escape via a crafted HTML page. 9.6 CISA 2021-11-03 2022-05-03 3 days + forensic triage not automatable · total Unknown
CVE-2021-21166 Google Chromium Google Chromium Race Condition Vulnerability Google Chromium contains a race condition vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera. 8.8 CISA 2021-11-03 2021-11-17 3 days + forensic triage not automatable · total Unknown
CVE-2020-16010 Google Chrome for Android UI Google Chrome for Android UI Heap Buffer Overflow Vulnerability Google Chrome for Android UI contains a heap buffer overflow vulnerability that allows a remote attacker, who has compromised the renderer process, to potentially perform a sandbox escape via a crafted HTML page. 9.6 CISA 2021-11-03 2022-05-03 3 days + forensic triage not automatable · total Unknown
CVE-2020-12812 Fortinet FortiOS Fortinet FortiOS SSL VPN Improper Authentication Vulnerability Fortinet FortiOS SSL VPN contains an improper authentication vulnerability that may allow a user to login successfully without being prompted for the second factor of authentication (FortiToken) if they change the case in their username. 9.8 CISA 2021-11-03 2022-05-03 3 days + forensic triage automatable · total Known