CVEvulnerability

CVE-2026-85921

8.2 HIGH Published 2026-09-14 Modified 2026-09-29 Official page ↗

Status: Analyzed
Published: 2026-09-14
Last modified: 2026-09-29
Assigner: [email protected]
CVSS 3.1 ([email protected]): 8.2 HIGH — CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Weaknesses: CWE-415

Description

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

Affected configurations

• microsoft windows 11 26h1 (< 10.0.28000.2956)

Related

Weakness · CWE (1)

CWE-415 Double Free weakness

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85921 Patch, Vendor Advisory