Main Vulnerability Database Vulnerabilities #VU49432

Permissions, Privileges, and Access Controls in Microsoft Windows and Windows Server - CVE-2021-1662

Published: January 12, 2021

Vulnerability identifier: #VU49432

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-2021-1662

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 Event Tracing, which leads to security restrictions bypass and privilege escalation.

Affected software

Microsoft Windows
Windows Server

How to mitigate CVE-2021-1662

Install updates from vendor's website.

External References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1662

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