CVE-2026-85921
Windows Secure Kernel Mode Elevation of Privilege Vulnerability
CVSS Score
8.2
EPSS Score
0.3%
EPSS Percentile
18th
Double free in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges locally.
| Vendor | microsoft |
| Product | windows 11 version 26h1 |
| Ecosystems | |
| Industries | TechnologyEnterprise |
| Published | Sep 14, 2026 |
| Last Updated | Sep 15, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Microsoft / Windows 11 version 26H1
10.0.28000.0 < 10.0.28000.2956