HEVC Video Extensions Remote Code Execution Vulnerability
Priority MEDIUM 41CWE-787Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from Microsoft.
Summary
HEVC Video Extensions Remote Code Execution Vulnerability
Why it matters now
EPSS 0.03836 90th percentileScored 2026-11-07
Fix Fixed HEVC Video Extensions (Microsoft): 1.0.43421.0 & 1.0.43422.0
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Microsoft | HEVC Video Extensions | 1.0.0 to before 1.0.43421.0 & 1.0.43422.0 | 1.0.43421.0 & 1.0.43422.0 | Patch available | CNA |
- HEVC Video Extensions VendorMicrosoft Affected 1.0.0 to before 1.0.43421.0 & 1.0.43422.0 Fixed in 1.0.43421.0 & 1.0.43422.0 Patch available CNA
Remediation
- Fix · CNA HEVC Video Extensions (Microsoft) Fixed in 1.0.43421.0 & 1.0.43422.0
Vendor assessments
Microsoft
Microsoft's page for this CVE →
- Impact
- Remote Code Execution
- Exploited
- No
- Publicly disclosed
- No
- Exploitability
- Exploitation Less Likely
| Product | Status | Plan or fix |
|---|---|---|
| HEVC Video Extensions | Fixed | 1.0.43421.0 & 1.0.43422.0 · Security Update |
Timeline
- 2026-10-02 Threatist record created from CVE-2022-21917
- 2026-10-03 Alias added: GHSA-qvv4-v798-jwpm
- 2026-11-04 EPSS moved to the 90th–95th percentile
References
More Microsoft Hevc Video Extensions vulnerabilities
- TI-2022-12455 HEVC Video Extensions Remote Code Execution Vulnerability CVSS 3.1HIGH 7.8
- TI-2022-11666 HEVC Video Extensions Remote Code Execution Vulnerability CVSS 3.1HIGH 7.8
- TI-2022-11659 HEVC Video Extensions Remote Code Execution Vulnerability CVSS 3.1HIGH 7.8
- TI-2022-08395 HEVC Video Extensions Remote Code Execution Vulnerability CVSS 3.1HIGH 7.8
- TI-2022-06375 HEVC Video Extensions Remote Code Execution Vulnerability CVSS 3.1HIGH 7.8
- TI-2021-17501 HEVC Video Extensions Remote Code Execution Vulnerability CVSS 3.1HIGH 7.8
Sources
- CVE-2022-21917 · CVE Program
- CVE-2022-21917 · NVD
- FIRST EPSS
- GHSA-qvv4-v798-jwpm · GitHub Advisory Database · CC BY 4.0
- CVE-2022-21917 · Microsoft Security Update Guide
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences