Microsoft

Security Scorecard

Score

25F

Total CVEs

641

Patch Rate

28%

178 patched

Avg Response

1052d

days to patch

Critical Gaps

35

exploitable, no detection

Severity Breakdown

Critical17
High299
Medium264
Low40

Patch Status

Patched178 (28%)
Partial/Workaround31 (5%)
Unpatched432 (67%)

CVEs (645)

CVE IDTitleSeverityScoreDaysPatch
CVE-2026-20836Graphics Kernel VulnerabilityHigh7.0-Patched
CVE-2026-20837CVE-2026-20837High7.8-Patched
CVE-2026-20838Windows Kernel Error Message Generation VulnerabilityMedium5.5-Patched
CVE-2026-20839Windows Client-Side Caching Service VulnerabilityMedium5.5-Patched
CVE-2026-20840NTFS Heap OverflowHigh7.8-Patched
CVE-2026-20842Windows DWM VulnerabilityHigh7.0-Patched
CVE-2026-20843Windows RRAS Privilege EscalationHigh7.8-Workaround
CVE-2026-20844Windows Clipboard Server VulnerabilityHigh7.4-Patched
CVE-2026-20847Windows Shell Spoofing VulnerabilityMedium6.50dUnpatched
CVE-2026-20848CVE-2026-20848High7.5-Patched