Permissions, Privileges, and Access Controls in Windows and Windows Server - CVE-2021-1648

 

Permissions, Privileges, and Access Controls in Windows and Windows Server - CVE-2021-1648

Published: January 12, 2021 / Updated: January 25, 2021


Vulnerability identifier: #VU49441
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2021-1648
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
Windows
Windows Server

Detailed vulnerability description

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 Microsoft splwow64, which leads to security restrictions bypass and privilege escalation.


How to mitigate CVE-2021-1648

Install updates from vendor's website.

Sources