CVE-2021-27047 is a Remote Code Execution vulnerability affecting Microsoft HEVC Video Extensions. With a CVSS score of 7.8 (HIGH), it requires user interaction (UI:R) and local access (AV:L), but once exploited, it can lead to high impact on confidentiality, integrity, and availability (C:H/I:H/A:H). Despite its severity, there is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or KEV entry. Community discussion and media coverage are minimal, suggesting limited public attention beyond its initial disclosure during Microsoft's March 2021 Patch Tuesday.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:a:microsoft:high_efficiency_video_coding:-:*:*:*:*:*:*:* |
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.