#VU52166 Information disclosure in Windows and Windows Server

Published: 2021-04-13

Vulnerability identifier: #VU52166

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-2021-28317


Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Operating systems & Components / Operating system
Windows Server
Operating systems & Components / Operating system

Vendor: Microsoft


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 Microsoft Windows Codecs Library. A local user can gain unauthorized access to sensitive information on the system.

Install updates from vendor's website.

Vulnerable software versions

Windows: 10 1803 10.0.17134.48, 10 1809 10.0.17763.1, 10 1909 10.0.18363.476, 10 2004 10.0.19041.264, 10 20H2 10.0.19042.572, 10 1607 10.0.14393.10, 7, 8.1 - 8.1 RT

Windows Server: 2008 - 2019 2004

External links

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.

Latest bulletins with this vulnerability