CVE-2025-21291

HIGH

Windows DirectShow - Remote Code Execution via Double Free

Title source: llm
STIX 2.1

Description

Windows Direct Show Remote Code Execution Vulnerability

References (1)

Core 1
Core References
Patch, Vendor Advisory vendor-advisory patch
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21291

Scores

CVSS v3 8.8
EPSS 0.0135
EPSS Percentile 67.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-415
Status published
Products (18)
Microsoft/Windows 10 Version 1809 10.0.17763.0 - 10.0.17763.6775
Microsoft/Windows 10 Version 21H2 10.0.19044.0 - 10.0.19044.5371
Microsoft/Windows 10 Version 22H2 10.0.19045.0 - 10.0.19045.5371
Microsoft/Windows 11 version 22H2 10.0.22621.0 - 10.0.22621.4751
Microsoft/Windows 11 version 22H3 10.0.22631.0 - 10.0.22631.4751
Microsoft/Windows 11 Version 23H2 10.0.22631.0 - 10.0.22631.4751
Microsoft/Windows Server 2019 10.0.17763.0 - 10.0.17763.6775
Microsoft/Windows Server 2019 (Server Core installation) 10.0.17763.0 - 10.0.17763.6775
Microsoft/Windows Server 2022 10.0.20348.0 - 10.0.20348.3091
Microsoft/Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0 - 10.0.25398.1369
... and 8 more
Published Jan 14, 2025
Tracked Since Feb 18, 2026