Type Confusion in Microsoft products - CVE-2025-62554
Published: December 9, 2025
Vulnerability identifier: #VU119491
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:L/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-2025-62554
CWE-ID: CWE-843
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Microsoft Office LTSC
Microsoft Office
Microsoft 365 Apps for Enterprise
Microsoft Office for Android
Microsoft Office LTSC
Microsoft Office
Microsoft 365 Apps for Enterprise
Microsoft Office for Android
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 Microsoft Office. A remote attacker can trick a victim to click a specially crafted link, trigger a type confusion error and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2025-62554
Install updates from vendor's website.