HIGH 7.0 NVD

CVE-2026-77905

Use after free in Windows Management Instrumentation allows an authorized attacker to elevate privileges locally.

Affected Products

microsoft/windows_10_1607
microsoft/windows_10_1809
microsoft/windows_10_21h2
microsoft/windows_10_22h2
microsoft/windows_11_23h2
microsoft/windows_11_24h2
microsoft/windows_11_25h2
microsoft/windows_11_26h1

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-77905

Published: 2026-09-08 · Source: NVD · Feed updated: 2026-09-11

This high severity vulnerability with a CVSS score of 7.0 was published on 2026-09-08 via NVD. Affected: microsoft/windows_10_1607, microsoft/windows_10_1809, microsoft/windows_10_21h2 and 5 more.

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