CVE-2021-43243 MEDIUM

CVE-2021-43243: VP9 Video Extensions Information Disclosure Vulnerability

Vendor Microsoft
Product VP9 Video Extensions
Published December 15, 2021
Last update May 28, 2026
View on NVD All CVEs

CVSS base score

5.5/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity None

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C

What the vulnerability does

01Description

VP9 Video Extensions Information Disclosure Vulnerability

Key dates

02Disclosure timeline

December 15, 2021 CVE published
May 28, 2026 Record updated