Vulnerability · Published Feb 11, 2025 · Assigned by microsoft

CVE-2025-21367Windows Win32 Kernel Subsystem Elevation of Privilege Vulnerability

High 7.8

In plain English

A high-severity use-after-free in Windows 10 Version 1809 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 51% of all known vulnerabilities).

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.6%top 49.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Windows Win32 Kernel Subsystem Elevation of Privilege Vulnerability

Affected products (as reported)

VendorProductVersions
Microsoft Windows 10 Version 1809 10.0.17763.0 – before 10.0.17763.6893
Microsoft Windows 10 Version 21H2 10.0.19044.0 – before 10.0.19044.5487
Microsoft Windows 10 Version 22H2 10.0.19045.0 – before 10.0.19045.5487
Microsoft Windows 11 version 22H2 10.0.22621.0 – before 10.0.22621.4890
Microsoft Windows 11 version 22H3 10.0.22631.0 – before 10.0.22631.4890
Microsoft Windows 11 Version 23H2 10.0.22631.0 – before 10.0.22631.4890
Microsoft Windows 11 Version 24H2 10.0.26100.0 – before 10.0.26100.3194
Microsoft Windows Server 2019 10.0.17763.0 – before 10.0.17763.6893
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 – before 10.0.17763.6893
Microsoft Windows Server 2022 10.0.20348.0 – before 10.0.20348.3207
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0 – before 10.0.25398.1425
Microsoft Windows Server 2025 10.0.26100.0 – before 10.0.26100.3194
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 – before 10.0.26100.3194

Weakness: CWE-416 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

References