#VU112502 Integer overflow in Windows and Windows Server - CVE-2025-49689
Published: July 8, 2025
Vulnerability identifier: #VU112502
Vulnerability risk: High
CVSSv4.0: 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-2025-49689
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Windows
Windows Server
Windows
Windows Server
Software vendor:
Microsoft
Microsoft
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow in Microsoft Virtual Hard Disk. A remote attacker can trick a victim into mounting a specially crafted VHD, trigger integer overflow and execute arbitrary code on the target system with elevated privileges.
Remediation
Install update from vendor's website.