CVE-2026-85921
Windows Secure Kernel Mode Elevation of Privilege vulnerability
MSRC advisory September 14, 2026
Alert details
- Source feed
- Microsoft MSRC
- CVE ID
- CVE-2026-85921
- CWE
- CWE-415
- Affected products
- Windows Secure Kernel Mode Elevation of Privilege · Microsoft Windows Secure Kernel Mode Elevation of Privilege · Microsoft
What happened
<p>Double free in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges locally.</p>
What it means for your business
Windows Secure Kernel Mode Elevation of Privilege vulnerability (CVE-2026-85921) was added to Microsoft’s security update guidance. <p>Double free in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges locally.</p> If you need help checking exposure, call (864) 335-9223.
CVSS score
8.2 (High)
EPSS probability
0.26%
Sources
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