Permissions, Privileges, and Access Controls in Windows and Windows Server - CVE-2020-17057
Published: November 10, 2020 / Updated: February 25, 2021
Vulnerability identifier: #VU48287
CSH Severity: Low
CVSS v4.0: 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/E:P/U:Clear
CVE-ID: CVE-2020-17057
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
Public exploit is available
Vendor: Microsoft
Affected software:
Windows
Windows Server
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 Windows Win32k, which leads to security restrictions bypass and privilege escalation.
How to mitigate CVE-2020-17057
Install updates from vendor's website.