CVE-2025-54918 Windows NTLM Elevation of Privilege Vulnerability
An authorized attacker can elevate privileges over the network due to improper authentication in Windows NTLM.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-54918?
CVE-2025-54918 is a high-severity vulnerability in Microsoft Windows 10 1507, published on 9 Sep 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Improper authentication in Windows NTLM allows an authorized attacker to elevate privileges over a network.
Weakness: CWE-287
Which versions are affected by CVE-2025-54918?
It affects 15 products.
Products include Microsoft Windows 10 1507, Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21h2, Microsoft Windows 10 22h2, Microsoft Windows 11 22h2 and 9 more.
How do I fix CVE-2025-54918?
No fix has been published for CVE-2025-54918 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-54918 being exploited?
There is no known exploitation of CVE-2025-54918 in the wild and no public exploit code.
Public exploit code: 2 proofs of concept on GitHub.
Other vulnerabilities in Microsoft Windows 10 1507
- CVE-2017-8543 Microsoft Windows Search Remote Code Execution
- CVE-2025-33053 Microsoft Windows External Control of File Name or Path
- CVE-2025-33073 Microsoft Windows SMB Client Improper Access Control
- CVE-2024-49039 Microsoft Windows Task Scheduler Privilege Escalation
- CVE-2024-43461 Microsoft Windows MSHTML Platform Spoofing
Sources
Also known as GHSA-75v4-rj2v-3f53.