← Back

CVE-2026-85921

nvd nist
Published: Sep 14, 2026Modified: Sep 29, 2026

JSON object

Loading...
8.2
Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Exploitability: 1.5 / Impact: 6.0
Source: secure@microsoft.com (Secondary)

Description

Double free in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges locally.

Affected (2)

Microsoft
1 product
Windows 11 26h1
Configuration A
2 vulnerable
Vulnerable SoftwareAffected Versions
Microsoft
Windows 11 26h1
Before 10.0.28000.2956
Windows 11 26h1
Before 10.0.28000.2956

Related CWEs

CWE-415
Double Free
The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.

References (1)

Source: secure@microsoft.com
PatchVendor Advisory

Timeline

No history available yet.