Type Confusion in Windows Server - CVE-2025-21326
Published: January 15, 2025
Vulnerability identifier: #VU102763
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2025-21326
CWE-ID: CWE-843
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Windows Server
Windows Server
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a type confusion error in Internet Explorer. A remote attacker can trick a victim to open a specially crafted file, trigger a type confusion error and execute arbitrary code on the target system.
How to mitigate CVE-2025-21326
Install updates from vendor's website.