Permissions, Privileges, and Access Controls in Microsoft Windows and Windows Server - CVE-2020-17057
Published: November 10, 2020 / Updated: February 25, 2021
Vulnerability identifier: #VU48287
CSH Severity: Low
CVSS v4: 7.3 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-17057
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
Public exploit is 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 Win32k, which leads to security restrictions bypass and privilege escalation.
Affected software
Microsoft Windows
Windows Server
Windows Server
How to mitigate CVE-2020-17057
Install updates from vendor's website.