Permissions, Privileges, and Access Controls in Microsoft products - CVE-2021-26442

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Main Vulnerability Database Vulnerabilities #VU57253

Permissions, Privileges, and Access Controls in Microsoft products - CVE-2021-26442

Published: October 12, 2021 / Updated: August 16, 2022


Vulnerability identifier: #VU57253
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-26442
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Windows
Windows Server
Microsoft Internet Information Services (IIS)
Software vendor:
Microsoft

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 Windows HTTP.sys, which leads to security restrictions bypass and privilege escalation.


Remediation

Install updates from vendor's website.

External links