Vulnerability identifier: #VU58940

Vulnerability risk: Low

CVSSv3.1: 4.8 [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]

CVE-ID: CVE-2021-43243

CWE-ID: CWE-200

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
VP9 Video Extensions
Universal components / Libraries / Software for developers

Vendor: Microsoft

Description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application in VP9 Video Extensions. A local user can gain unauthorized access to sensitive information on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

VP9 Video Extensions: All versions

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External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43243

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.