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CVE-2021-27065

In CISA KEV Microsoft

Every applicability statement published about this vulnerability, kept as each source wrote it rather than merged into one verdict. Where sources disagree, both positions are shown.

Does it affect your version?

A statement that names no version covers the whole product, which is not the same as your version falling inside a range. Orderings marked best effort come from schemes with no published comparison algorithm; exact ones follow a published specification.

What each source says

CVE List v5 (CNA container)
precedence 60 · revised 2026-08-19
25 affected

Precedence decides which claim wins when two sources describe the same product over the same version range. It is a property of the source, not of the claim, and changing it re-ranks the data without re-reading a single document.

Statements (25)

Product Status Versions Remediation Source
Microsoft/Microsoft Exchange Server 2013 Cumulative Update 21 Microsoft · Microsoft Exchange Server 2013 Cumulative Update 21 affected >= 15.00.0, < 15.00.1395.012 none available cve_cna
Microsoft/Microsoft Exchange Server 2013 Cumulative Update 22 Microsoft · Microsoft Exchange Server 2013 Cumulative Update 22 affected >= 15.00.0, < 15.00.1473.006 none available cve_cna
Microsoft/Microsoft Exchange Server 2013 Cumulative Update 23 Microsoft · Microsoft Exchange Server 2013 Cumulative Update 23 affected >= 15.00.0, < 15.00.1497.012 none available cve_cna
Microsoft/Microsoft Exchange Server 2013 Service Pack 1 Microsoft · Microsoft Exchange Server 2013 Service Pack 1 affected >= 15.00.0, < 15.00.0847.064 none available cve_cna
Microsoft/Microsoft Exchange Server 2016 Cumulative Update 10 Microsoft · Microsoft Exchange Server 2016 Cumulative Update 10 affected >= 15.01.0, < 15.01.1531.012 none available cve_cna
Microsoft/Microsoft Exchange Server 2016 Cumulative Update 11 Microsoft · Microsoft Exchange Server 2016 Cumulative Update 11 affected >= 15.01.0, < 15.01.1591.018 none available cve_cna
Microsoft/Microsoft Exchange Server 2016 Cumulative Update 12 Microsoft · Microsoft Exchange Server 2016 Cumulative Update 12 affected >= 15.01.0, < 15.01.1713.010 none available cve_cna
Microsoft/Microsoft Exchange Server 2016 Cumulative Update 13 Microsoft · Microsoft Exchange Server 2016 Cumulative Update 13 affected >= 15.01.0, < 15.01.1779.008 none available cve_cna
Microsoft/Microsoft Exchange Server 2016 Cumulative Update 14 Microsoft · Microsoft Exchange Server 2016 Cumulative Update 14 affected >= 15.01.0, < 15.01.1847.012 none available cve_cna
Microsoft/Microsoft Exchange Server 2016 Cumulative Update 15 Microsoft · Microsoft Exchange Server 2016 Cumulative Update 15 affected >= 15.01.0, < 15.01.1913.012 none available cve_cna
Microsoft/Microsoft Exchange Server 2016 Cumulative Update 16 Microsoft · Microsoft Exchange Server 2016 Cumulative Update 16 affected >= 15.01.0, < 15.01.1979.008 none available cve_cna
Microsoft/Microsoft Exchange Server 2016 Cumulative Update 17 Microsoft · Microsoft Exchange Server 2016 Cumulative Update 17 affected >= 15.01.0, < 15.01.2044.013 none available cve_cna
Microsoft/Microsoft Exchange Server 2016 Cumulative Update 18 Microsoft · Microsoft Exchange Server 2016 Cumulative Update 18 affected >= 15.01.0, < 15.01.2106.013 none available cve_cna
Microsoft/Microsoft Exchange Server 2016 Cumulative Update 19 Microsoft · Microsoft Exchange Server 2016 Cumulative Update 19 affected >= 15.01.0, < 15.01.2176.009 none available cve_cna
Microsoft/Microsoft Exchange Server 2016 Cumulative Update 8 Microsoft · Microsoft Exchange Server 2016 Cumulative Update 8 affected >= 15.01.0, < 15.01.1415.010 none available cve_cna
Microsoft/Microsoft Exchange Server 2016 Cumulative Update 9 Microsoft · Microsoft Exchange Server 2016 Cumulative Update 9 affected >= 15.01.0, < 15.01.1466.016 none available cve_cna
Microsoft/Microsoft Exchange Server 2019 Microsoft · Microsoft Exchange Server 2019 affected >= 15.02.0, < 15.02.0221.018 none available cve_cna
Microsoft/Microsoft Exchange Server 2019 Cumulative Update 1 Microsoft · Microsoft Exchange Server 2019 Cumulative Update 1 affected >= 15.02.0, < 15.01.1979.006 none available cve_cna
Microsoft/Microsoft Exchange Server 2019 Cumulative Update 2 Microsoft · Microsoft Exchange Server 2019 Cumulative Update 2 affected >= 15.02.0, < 15.02.0397.011 none available cve_cna
Microsoft/Microsoft Exchange Server 2019 Cumulative Update 3 Microsoft · Microsoft Exchange Server 2019 Cumulative Update 3 affected >= 15.02.0, < 15.02.0464.015 none available cve_cna
Microsoft/Microsoft Exchange Server 2019 Cumulative Update 4 Microsoft · Microsoft Exchange Server 2019 Cumulative Update 4 affected >= 15.02.0, < 15.02.0659.012 none available cve_cna
Microsoft/Microsoft Exchange Server 2019 Cumulative Update 5 Microsoft · Microsoft Exchange Server 2019 Cumulative Update 5 affected >= 15.02.0, < 15.02.0595.008 none available cve_cna
Microsoft/Microsoft Exchange Server 2019 Cumulative Update 6 Microsoft · Microsoft Exchange Server 2019 Cumulative Update 6 affected >= 15.02.0, < 15.02.0529.013 none available cve_cna
Microsoft/Microsoft Exchange Server 2019 Cumulative Update 7 Microsoft · Microsoft Exchange Server 2019 Cumulative Update 7 affected >= 15.02.0, < 15.02.0721.013 none available cve_cna
Microsoft/Microsoft Exchange Server 2019 Cumulative Update 8 Microsoft · Microsoft Exchange Server 2019 Cumulative Update 8 affected >= 15.02.0, < 15.02.0792.010 none available cve_cna

A claim with no version range is shown as written rather than expanded: a government catalog naming only a vendor and product is a real statement at zero granularity, and inventing bounds for it would put precision in the record that the source never offered.