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W1
Product
Windows 10 Version 21H2
by Microsoft · last CVE Oct 13, 2026
On CISA KEVExploited in the wildRansomware-linked
3,564
CVEs
100
On KEV
9.9
Max CVSS
496
New 30D
Vulnerabilities3,564In the news12Timeline
Severity mix
Critical 112High 371Medium 17Low 0
Severity
All severities500Critical112High371Medium17Low0
Exploitation
On CISA KEV100Exploited in the wild100
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The 500 most important CVEs for this product (exploited first, then by severity)