Permissions, Privileges, and Access Controls in Windows and Windows Server - CVE-2021-1694

 

Permissions, Privileges, and Access Controls in Windows and Windows Server - CVE-2021-1694

Published: January 12, 2021


Vulnerability identifier: #VU49437
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-1694
CWE-ID: CWE-264
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
Windows
Windows Server

Detailed vulnerability description

The vulnerability allows a remote attacker on the local network to escalate privileges on the system.

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


How to mitigate CVE-2021-1694

Install updates from vendor's website.

Sources