CVE-2021-33764

Published: Jul 14, 2021Modified: Aug 10, 2026

5.9

Vector

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

Exploitability: 2.2 / Impact: 3.6

Source: NVD (Secondary)

Description

Windows Key Distribution Center Information Disclosure Vulnerability

Affected (8)

Products: Microsoft: Windows Server 2008, Windows Server 2012, Windows Server 2016, Windows Server 2019

4 products

Windows Server 2008

Windows Server 2012

Windows Server 2016

Windows Server 2019

Configuration A

8 vulnerable

Vulnerable Software	Affected Versions
Microsoft Windows Server 2008	All versions
Microsoft Windows Server 2008	All versions
Microsoft Windows Server 2012	All versions
Microsoft Windows Server 2012	All versions
Microsoft Windows Server 2016	All versions
Microsoft Windows Server 2016	Version 2004
Microsoft Windows Server 2016	Version 20h2
Microsoft Windows Server 2019	All versions

References (2)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-33764

Source: secure@microsoft.com

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33764

Source: af854a3a-2127-422b-91ae-364da2661108

PatchVendor Advisory

Timeline

No history available yet.