Main Vulnerability Database Vulnerabilities #VU51315

Permissions, Privileges, and Access Controls in Microsoft Windows and Windows Server - CVE-2021-1729

Published: March 9, 2021

Vulnerability identifier: #VU51315

CSH Severity: Low

CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-1729

CWE-ID: CWE-264

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions in Windows Update Stack Setup, which leads to security restrictions bypass and privilege escalation.

Affected software

Microsoft Windows
Windows Server

How to mitigate CVE-2021-1729

Install updates from vendor's website.

External References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1729

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