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W1
Product
Windows 11 version 22H3
by Microsoft · last CVE Mar 10, 2026
On CISA KEVExploited in the wildRansomware-linked
140
CVEs
54
On KEV
9.8
Max CVSS
0
New 30D
Vulnerabilities140In the news12Timeline
Severity mix
Critical 2High 119Medium 18Low 1
Severity
All severities140Critical2High119Medium18Low1
Exploitation
On CISA KEV54Exploited in the wild54
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Add Windows 11 version 22H3 to your stack to get only the CVEs that touch what you run.

CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-21249
3.3
11%
Feb 10
Windows NTLM Spoofing Vulnerability
Affected: 10.0.22631.0 before 10.0.22631.6649
Showing 1