CVE-2025-62215
Windows Kernel Elevation of Privilege Vulnerability
- Published
- Nov 11, 2025
- Updated
- Feb 26, 2026
- Assigning CNA
- microsoft
- Evidence observed
- Nov 12, 2025
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HLow · next 30 days
- Percentile
- 93.0%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
CISA Known Exploited
This CVE appears in the CISA Known Exploited Vulnerabilities catalog.
Summary
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Kernel allows an authorized attacker to elevate privileges locally.
Sources
7This PoC demonstrates a race condition in the Windows kernel leading to a double-free vulnerability, allowing local privilege escalation to SYSTEM. The exploit uses multithreaded handle manipulation and heap spraying to trigger the flaw under controlled conditions.
Proof-of-concept exploit for CVE-2025-62215, a Windows kernel Use-After-Free vulnerability in SepTokenSidSharingEnabled. Includes a kernel driver and user-mode exploit for race condition analysis.
CVE-2025-62215 is an Elevation of Privilege (EoP) vulnerability in the Windows Kernel, disclosed in November 2025 and confirmed to be actively exploited as a zero-day.
Responsible use
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