Integer overflow in Windows and Windows Server - CVE-2025-50166
Published: August 13, 2025
Vulnerability identifier: #VU113981
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-50166
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Windows
Windows Server
Windows
Windows Server
Detailed vulnerability description
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to integer overflow in Windows Distributed Transaction Coordinator (MSDTC). A remote user can pass specially crafted data to the application, trigger integer overflow and gain access to sensitive information on the target system.
How to mitigate CVE-2025-50166
Install updates from vendor's website.