Main Vulnerability Database Vulnerabilities #VU58926

Spoofing attack in Microsoft products - CVE-2021-43255

Published: December 14, 2021

Vulnerability identifier: #VU58926

CSH Severity: Low

CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2021-43255

CWE-ID: CWE-451

Exploitation vector: Local access

Exploit availability: No public exploit available

Vendor: Microsoft

Affected software:
Microsoft Office
Microsoft 365 Apps for Enterprise
Microsoft Office LTSC

Detailed vulnerability description

The vulnerability allows a local attacker to perform spoofing attack.

The vulnerability exists due to incorrect processing of user-supplied data in Microsoft Office Trust Center. A local attacker can spoof page content.

Install updates from vendor's website.