CVE-2021-40452 is a Remote Code Execution (RCE) vulnerability affecting Microsoft HEVC Video Extensions. With a CVSS score of 7.8 (High), this vulnerability could allow an attacker to execute arbitrary code on a vulnerable system if a user is tricked into opening a specially crafted file. While the vulnerability requires user interaction (UI:R) and local access (AV:L), it carries high impacts on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, and no public exploit code (Metasploit, Nuclei, ExploitDB) is available. Community discussion and media coverage for this CVE are minimal.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:a:microsoft:hevc_video_extensions:-:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.