Permissions, Privileges, and Access Controls in Windows and Windows Server - CVE-2021-34459

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Main Vulnerability Database Vulnerabilities #VU54765

Permissions, Privileges, and Access Controls in Windows and Windows Server - CVE-2021-34459

Published: July 13, 2021


Vulnerability identifier: #VU54765
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:U/U:Clear
CVE-ID: CVE-2021-34459
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
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 the Windows AppContainer, which leads to security restrictions bypass and privilege escalation.


How to mitigate CVE-2021-34459

Install updates from vendor's website.

Sources