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W1
Product
Windows 11 version 26H1
by Microsoft · last CVE Oct 13, 2026
On CISA KEVExploited in the wild
2,505
CVEs
10
On KEV
9.9
Max CVSS
1008
New 30D
Vulnerabilities2,505In the news12Timeline
Severity mix
Critical 93High 405Medium 2Low 0
Severity
All severities500Critical93High405Medium2Low0
Exploitation
On CISA KEV10Exploited in the wild10
Watch

Add Windows 11 version 26H1 to your stack to get only the CVEs that touch what you run.

CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-96951
In wildKEV
8.8
10%
Oct 13
Windows Shell Security Feature Bypass Vulnerability
Affected: 10.0.28000.0 before 10.0.28000.3231
CVE-2026-21510
In wildKEV
8.8
61%
Feb 10
Windows Shell Security Feature Bypass Vulnerability
Affected: 10.0.28000.0 before 10.0.28000.1575; 10.0.28000.0 before 10.0.28000.1575
CVE-2026-21513
In wildKEV
8.8
16%
Feb 10
MSHTML Framework Security Feature Bypass Vulnerability
Affected: 10.0.28000.0 before 10.0.28000.1575; 10.0.28000.0 before 10.0.28000.1575
CVE-2026-81963
In wildKEV
7.8
0%
Sep 8
Windows Update Stack Elevation of Privilege Vulnerability
Affected: 10.0.28000.0 before 10.0.28000.2954
CVE-2026-21533
In wildKEV
7.8
4%
Feb 10
Windows Remote Desktop Services Elevation of Privilege Vulnerability
Affected: 10.0.28000.0 before 10.0.28000.1575; 10.0.28000.0 before 10.0.28000.1575
CVE-2026-21519
In wildKEV
7.8
2%
Feb 10
Desktop Window Manager Elevation of Privilege Vulnerability
Affected: 10.0.28000.0 before 10.0.28000.1575; 10.0.28000.0 before 10.0.28000.1575
CVE-2026-68820
In wildKEV
7.0
0%
Aug 11
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
Affected: 10.0.28000.0 before 10.0.28000.2704
Showing 7
The 500 most important CVEs for this product (exploited first, then by severity)