Improper Authorization in Microsoft Windows and Windows Server - CVE-2022-33670

 

Improper Authorization in Microsoft Windows and Windows Server - CVE-2022-33670

Published: August 10, 2022 / Updated: August 18, 2022


Vulnerability identifier: #VU66336
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-2022-33670
CWE-ID: CWE-285
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 improper authorization logic in partmgr.sys driver when accessing SCSI file handles. A local user can can execute arbitrary code with SYSTEM privileges.


Affected software

Microsoft Windows
Windows Server

How to mitigate CVE-2022-33670

Install updates from vendor's website.


External References

Related Security Bulletins