VULNERABILITY INTELLIGENCE

CVE-2021-28465

CVSS score7.8 HIGH

EPSS probability3.66%

CISA KEVNot currently listed

Published2021-05-11

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Description

Web Media Extensions Remote Code Execution Vulnerability

Weakness classification

CWE-787: Out-of-bounds Write

Primary references

secure@microsoft.com — Patch, Vendor Advisory
secure@microsoft.com — Third Party Advisory
secure@microsoft.com — Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory