Vulnerability in Microsoft Hevc Video Extensions

CVE-2021-1643

HEVC Video Extensions Remote Code Execution Vulnerability

EPSS: 0.039 (89.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-1643?
CVE-2021-1643 is a high-severity vulnerability in Microsoft Hevc Video Extensions. CVSS score: 7.8/10. Published 2021-01-12.
How severe is CVE-2021-1643?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2021-1643 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.