CVE-2025-21391

HIGH KEV

Windows 10/11, Server 2016-2019 Elevation of Privilege via Improper Link Resolution

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2025-21391 is actively exploited and listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added February 11, 2025.

Description

Windows Storage Elevation of Privilege Vulnerability

References (2)

Core 2

Scores

CVSS v3 7.1
EPSS 0.0472
EPSS Percentile 89.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation active
Automatable no
Technical Impact partial

Details

CISA KEV 2025-02-11
VulnCheck KEV 2025-02-11
ENISA EUVD EUVD-2025-2452
CWE
CWE-59
Status published
Products (13)
microsoft/windows_10_1507 < 10.0.10240.20915 (2 CPE variants)
microsoft/windows_10_1607 < 10.0.14393.7785 (2 CPE variants)
microsoft/windows_10_1809 < 10.0.17763.6893 (2 CPE variants)
microsoft/windows_10_21h2 < 10.0.19044.5487
microsoft/windows_10_22h2 < 10.0.19045.5487
microsoft/windows_11_22h2 < 10.0.22621.4890
microsoft/windows_11_23h2 < 10.0.22631.4890
microsoft/windows_11_24h2 < 10.0.26100.3107
microsoft/windows_server_2016 < 10.0.14393.7785
microsoft/windows_server_2019 < 10.0.17763.6893
... and 3 more
Published Feb 11, 2025
KEV Added Feb 11, 2025
Tracked Since Feb 18, 2026