What’s Vulnerable › Vulnerabilities

CVE-2022-21844: HEVC Video Extensions Remote Code Execution Vulnerability

• Severity: medium (CVSS 6.8 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-02-09 · updated 2026-06-17

Description

HEVC Video Extensions Remote Code Execution Vulnerability

Affected products

• Microsoft HEVC Video Extensions: before 1.0.41532.0; before 1.0.43421.0 — fixed in 1.0.41532.0, 1.0.43421.0
• Microsoft HEVC Video Extension: from 1.0.0.0 before 1.0.43421.0 — fixed in 1.0.43421.0
• Microsoft HEVC Video Extensions: from 1.0.0 before 1.0.43422.0 — fixed in 1.0.43422.0

How to fix

Upgrade to a fixed version: Microsoft HEVC Video Extensions 1.0.41532.0, 1.0.43421.0; Microsoft HEVC Video Extension 1.0.43421.0; Microsoft HEVC Video Extensions 1.0.43422.0. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21844
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21844

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