CVE-2026-34332

HIGH

Microsoft Windows Server 2025 - Windows Kernel-Mode Driver Remote Code Execution Vulnerability

Title source: rule
STIX 2.1

Description

Use after free in Windows Kernel-Mode Drivers allows an authorized attacker to execute code over a network.

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory patch
Windows Kernel-Mode Driver Remote Code Execution Vulnerability
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-34332

Scores

CVSS v3 8.0
EPSS 0.0006
EPSS Percentile 19.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-416
Status published
Products (3)
Microsoft/Windows Server 2025 10.0.26100.0 - 10.0.26100.32860
Microsoft/Windows Server 2025 (Server Core installation) 10.0.26100.0 - 10.0.26100.32860
microsoft/windows_server_2025 < 10.0.26100.32772
Published May 12, 2026
Tracked Since May 12, 2026