Permissions, Privileges, and Access Controls in Microsoft Windows and Windows Server - CVE-2021-27090
Published: April 13, 2021
Vulnerability identifier: #VU52157
CSH Severity: Low
CVSS v4: 8.5 [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]
CVE-ID: CVE-2021-27090
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
No public exploit 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 Secure Kernel Mode, which leads to security restrictions bypass and privilege escalation.
Affected software
Microsoft Windows
Windows Server
Windows Server
How to mitigate CVE-2021-27090
Install updates from vendor's website.