1,560 CVEs
67 in CISA KEV
Microsoft Windows 11 version 21H2 Vulnerabilities
CVE security advisories and vulnerability history for Windows 11 version 21H2 by Microsoft.
1,560
Total CVEs
Published
67
In CISA KEV
Exploited in the wild
107
Public exploits
With known exploit
7.4
Avg CVSS
2013–2024
Last updated
Overview
Microsoft Windows 11 version 21H2 has 1,560 published CVE records since 2013, of which 67 are in CISA's Known Exploited Vulnerabilities catalog and 107 have a known public exploit. The average CVSS base score across scored CVEs is 7.4.