CVE-2026-85921

Published Sep 14, 2026

Last updated 5 days ago

Overview

Description
Double free in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges locally.
Source
secure@microsoft.com
NVD status
Analyzed
Products
windows_11_26h1

Risk scores

CVSS 3.1

Type
Secondary
Base score
8.2
Impact score
6
Exploitability score
1.5
Vector string
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Severity
HIGH

Weaknesses

secure@microsoft.com
CWE-415

Social media

Hype score
Not currently trending

Configurations

References

Sources include official advisories and independent security research.