Patch tracker / Products / Windows 11

Windows 11: vulnerabilities and security updates

Every CVE affecting Windows 11 and the Microsoft update (KB) that fixes it, ranked by real-world risk. Actively exploited (CISA KEV) first, then EPSS exploit probability, on top of CVSS severity.

CVEs
0
Updates (KBs)
26
Actively exploited (KEV)
0
Critical Severity
0

CVEs affecting Windows 11

No CVEs recorded for this product in the current data window.

Updates (KBs) for Windows 11

UpdateReleasedSeverityCVSSEPSSCVEsStatus
KB50657902025-09-23Unrated--0-
KB50670362025-10-28Unrated--0-
KB50671122025-10-28Unrated--0-
KB50703112025-12-01Unrated--0-
KB50703122025-11-20Unrated--0-
KB50707732025-10-20Unrated--0-
KB50741052026-01-29Unrated--0-
KB50772392026-02-24Unrated--0-
KB50772412026-02-24Unrated--0-
KB50777442026-01-17Unrated--0-
KB50777972026-01-17Unrated--0-
KB50781272026-01-24Unrated--0-
KB50781322026-01-24Unrated--0-
KB50793912026-03-26Unrated--0-
KB50794892026-03-26Unrated--0-
KB50836312026-04-30Unrated--0-
KB50838062026-04-30Unrated--0-
KB50855162026-03-21Unrated--0-
KB50866722026-03-31Unrated--0-
KB50895702026-05-26Unrated--0-
KB50895732026-05-26Unrated--0-
KB50950912026-06-23Unrated--0-
KB50950932026-06-23Unrated--0-
KB51016812026-07-28Unrated--0-
KB51016842026-07-28Unrated--0-
KB51217672026-07-18Unrated--0-

Ranked across all products on the Microsoft patch tracker and the CVE and vulnerability management reference. Browse every product: product index.

Most searched on Senserva right now

KB5099540: the full CVE list KB5099538: patch details KB5094123: the full CVE list KB5099539 install notes and severity CVE-2026-53412 exploit status KB5101650 download and what it fixes KB5120708 install notes and severity CVE-2026-55040 exploit status KB5101001: patch details KB5094128: the full CVE list
New to a term on this page? CVE, KB, KEV, CVSS, and EPSS are each explained once, on the Senserva security lexicon. Reference: Microsoft CVE and vulnerability management and the Microsoft patching guide.
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