CVE-2022-21844 json
HEVC Video Extensions Remote Code Execution Vulnerability
published 2022-02-09 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-27000
- cvss
- 7.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.3%
- EPSS 2.3% chance of exploitation in 30 days, percentile 83%
- public exploits
- 0
- none known
Summary
HEVC Video Extensions Remote Code Execution Vulnerability
Patch / fix
- Microsoft HEVC Video Extension 1.0.43421.0
- Microsoft HEVC Video Extensions 1.0.43422.0
Exploit prediction
2.26% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C |
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Affected products
- Microsoft HEVC Video Extension
- Microsoft HEVC Video Extensions
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2022-21844
vendor-advisory
Sources
- CVE List CVE-2022-21844
- NVD CVE-2022-21844
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.