CVE-2026-69934
Microsoft · Published October 13, 2026
7.8
CVSS v3.1
HIGHPatch availableGet patch
Description
Windows Spaceport.sys Elevation of Privilege Vulnerability. Integer overflow or wraparound in Windows Spaceport.sys allows an authorized attacker to elevate privileges locally.
Affected Products
- Windows Server 2022
- Windows Server 2022 (Server Core installation)
- Windows Server 2025 (Server Core installation)
- Windows 11 Version 25H2 for ARM64-based Systems
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C