Vulnerability in Microsoft Vp9 Video Extensions

CVE-2021-28464

VP9 Video Extensions Remote Code Execution Vulnerability

EPSS: 0.023 (81.1th 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

Microsoft Vp9 Video Extensions — versions N/A
Microsoft Vp9_video_extensions

Public proof-of-concept exploits

pawan-shivarkar/pawan-shivarkar

References

secure@microsoft.com (Patch, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-28464?: CVE-2021-28464 is a high-severity vulnerability in Microsoft Vp9 Video Extensions. CVSS score: 7.8/10. Published 2021-04-13.
How severe is CVE-2021-28464?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2021-28464 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.