HIGH 8.0 Microsoft

CVE-2026-34332

Windows Kernel-Mode Driver Remote Code Execution Vulnerability

Microsoft Security Update 2026-May: Windows Kernel-Mode Driver Remote Code Execution Vulnerability

Affected Products

Windows Server 2025 (Server Core installation)
Windows Server 2025

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-34332
https://nvd.nist.gov/vuln/detail/CVE-2026-34332

Published: 2026-05-12 · Source: Microsoft · Feed updated: 2026-08-04

This high severity vulnerability with a CVSS score of 8.0 was published on 2026-05-12 via Microsoft. Affected: Windows Server 2025 (Server Core installation), Windows Server 2025.

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