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CVE-2022-21917

HEVC Video Extensions Remote Code Execution Vulnerability

7.8 High

HEVC Video Extensions Remote Code Execution Vulnerability

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

3.84%Up 2.3 points since Feb 8, 2022
90%50%10%1%

What each source reports

CVE List Score used 7.8

HEVC Video Extensions Remote Code Execution Vulnerability

HEVC Video Extensions Remote Code Execution Vulnerability

Record
CVE-2022-21917
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
Updated
2026-11-02
EUVDEUVD-2022-27073 7.8

HEVC Video Extensions Remote Code Execution Vulnerability

Record
EUVD-2022-27073
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
Updated
2026-11-03
GitHub AdvisoriesGHSA-qvv4-v798-jwpm 7.8

HEVC Video Extensions Remote Code Execution Vulnerability.

HEVC Video Extensions Remote Code Execution Vulnerability.

Record
GHSA-qvv4-v798-jwpm
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-94, CWE-787
Updated
2026-11-02
NVD 7.8

HEVC Video Extensions Remote Code Execution Vulnerability

Record
CVE-2022-21917
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0
9.3 HighAV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness
CWE-787
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2022-21917 is a high vulnerability (CVSS 7.8) in Microsoft Hevc Video Extensions, published January 11, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.84%, the 90th percentile. No source names a fixed version.

References

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