Race condition in Windows Server and Microsoft Internet Information Services (IIS) - CVE-2025-55231
Published: August 22, 2025
Vulnerability identifier: #VU114366
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2025-55231
CWE-ID: CWE-362
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Windows Server
Microsoft Internet Information Services (IIS)
Windows Server
Microsoft Internet Information Services (IIS)
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to a race condition in Windows Storage-based Management Service. A remote attacker can send specially crafted HTTP requests to the affected web server, trigger a race condition and execute arbitrary code on the system.
Note, successful exploitation of the vulnerability requires that the user restarts the affected service.
How to mitigate CVE-2025-55231
Install updates from vendor's website.