Spoofing attack in Windows and Windows Server - CVE-2021-40455
Published: October 12, 2021 / Updated: November 3, 2021
Vulnerability identifier: #VU57302
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-40455
CWE-ID: CWE-451
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Windows
Windows Server
Windows
Windows Server
Detailed vulnerability description
The vulnerability allows a local user to perform spoofing attack.
The vulnerability exists due to incorrect processing of user-supplied data in Windows Installer. A local user can spoof page content.
How to mitigate CVE-2021-40455
Install updates from vendor's website.