Security restrictions bypass in Windows and Windows Server - CVE-2021-26868
Published: March 9, 2021 / Updated: August 9, 2021
Vulnerability identifier: #VU51332
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:P/U:Clear
CVE-ID: CVE-2021-26868
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 remote attacker to escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions in Windows Graphics Component, which leads to security restrictions bypass and privilege escalation.
How to mitigate CVE-2021-26868
Install updates from vendor's website.