What’s Vulnerable › Vulnerabilities
CVE-2026-70243: Windows Kernel Elevation of Privilege Vulnerability
- Severity: high (CVSS 7.0 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-10-13 · updated 2026-10-31
- Weakness: CWE-416
Description
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
Affected products
- Microsoft Windows 11: before 10.0.22631.7652 — fixed in 10.0.22631.7652
- Microsoft Windows Server 2025: before 10.0.26100.33650 — fixed in 10.0.26100.33650
- Microsoft Windows 11: from 10.0.22631.0 before 10.0.22631.7652 — fixed in 10.0.22631.7652
- Microsoft Windows Server 2025: from 10.0.26100.0 before 10.0.26100.33650 — fixed in 10.0.26100.33650
How to fix
Upgrade to a fixed version: Microsoft Windows 11 10.0.22631.7652; Microsoft Windows Server 2025 10.0.26100.33650; Microsoft Windows 11 10.0.22631.7652; Microsoft Windows Server 2025 10.0.26100.33650. Check the vendor advisory for mitigations.
References
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