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CVE-2019-1388

Exploitation: active CVSS 7.8 HIGH Ransomware: known use

CVSS base score: 7.8 (High) CISA · v3.1

Score assigned by CISA's Vulnrichment program; the vendor's CVE record did not include one.

Microsoft Windows Certificate Dialog Privilege Escalation Vulnerability

Vendor: Microsoft   Product: Windows

Description

Microsoft Windows Certificate Dialog contains a privilege escalation vulnerability, allowing attackers to run processes in an elevated context.

Lifecycle Timeline

Each milestone comes from a different source, so gaps between them are gaps in what those sources publish, not evidence that nothing happened. EPSS history for this CVE holds 262 points from 2021-12-11, tracked daily from 2026-09-09; earlier points are weekly, which dates a spike to within a week. Peak probability 24.4% on 2021-12-11.

Published Applicability

CVE List v5 (CNA container) 39 affected · 0 fixed · 0 not affected

Check whether a specific version is affected →

What each source publishes about which product versions carry this vulnerability, kept as written rather than merged. Absence here means no source has published applicability data, not that nothing is affected.

Research & News Coverage

No mentions found in monitored research blogs or news feeds.

Detection & Exploitation

Exploit / Pen Test
Network IDS/IPS
none published
Host / SIEM

Coverage across public collections only: Nuclei and OpenVAS NVT (scan); Snort and Suricata ET Open (network); Sigma and YARA (host/SIEM); Metasploit, Exploit-DB and public GitHub repositories (exploit). Absence here means nothing public was found, not that detection is impossible.
GitHub PoC repositories are collected automatically by PoC-in-GitHub (CC0) and are not vetted: some are fakes and some are malware. Treat them as evidence that code was published, not as code to run.
OpenVAS coverage derives from the Greenbone Community Feed, made available under the Open Database License (ODbL) v1.0; its individual Vulnerability Tests are licensed GNU GPL v2.

Microsoft Assessment

published by the affected vendor via MSRC

Windows Certificate Dialog Elevation of Privilege Vulnerability

Exploitation Less Likely
No
No
—
Elevation of Privilege
Microsoft Windows
2019-11-12

The vendor's own judgement about their own code, shown alongside CISA's rather than merged into it. The exploitability index is a forward-looking prediction, distinct from a CVSS severity or CISA's SSVC decision, and vendors often report observed exploitation before a CVE reaches the KEV catalog. Vendor advisory →

CISA Assessment (Vulnrichment / SSVC)

active
no
total
7.8 HIGH
—
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-269 — Improper Privilege Management
2025-02-07

KEV Catalog Status

2023-04-07
2023-04-28
Known

Listed By

SourceDateRecord
CISA KEV 2023-04-07 source record →
CISA Vulnrichment 2025-02-07 source record →

Weaponization Timeline — Offensive & Testing Tools

No exploit-tool sightings recorded for this CVE.

Evidence tiers are explained on the About page — a merged Metasploit module is far stronger evidence than a distro package mention.

External References