Use After Free in Microsoft Windows_10_1809

CVE-2025-21367

Windows Win32 Kernel Subsystem Elevation of Privilege Vulnerability

Vulnerability class: Use-After-Free

EPSS: 0.006 (44.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-21367?
CVE-2025-21367 is a high-severity vulnerability in Microsoft Windows_10_1809, classified under Use After Free. CVSS score: 7.8/10. Published 2025-02-11.
How severe is CVE-2025-21367?
High severity. CVSS v3 base score is 7.8 out of 10.