CVE-2026-49173

HIGH

Microsoft Windows 11 version 26H1 - Windows Kernel Elevation of Privilege Vulnerability

Title source: rule
STIX 2.1

Description

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

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory patch
Windows Kernel Elevation of Privilege Vulnerability
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49173

Scores

CVSS v3 7.8
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

Details

CWE
CWE-416
Status published
Products (1)
Microsoft/Windows 11 version 26H1 10.0.28000.0 - 10.0.28000.2269
Published Jul 14, 2026
Tracked Since Jul 14, 2026