high8.8
CVE-2025-53778
Improper authentication in Windows NTLM allows an authorized attacker to elevate privileges over a network.
Impact
Improper authentication in Windows NTLM allows an authorized attacker to elevate privileges over a network.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | Windows 10 1507 | before 10.0.10240.21100 |
| Microsoft | Windows 10 1607 | before 10.0.14393.8330 |
| Microsoft | Windows 10 1809 | before 10.0.17763.7678 |
| Microsoft | Windows 10 21h2 | before 10.0.19044.6216 |
| Microsoft | Windows 10 22h2 | before 10.0.19045.6216 |
| Microsoft | Windows 11 22h2 | before 10.0.22621.5768 |
| Microsoft | Windows 11 23h2 | before 10.0.22631.5768 |
| Microsoft | Windows 11 24h2 | before 10.0.26100.4851 |
| Microsoft | Windows Server 2008 | All versions Version r2 |
| Microsoft | Windows Server 2012 | All versions Version r2 |
| Microsoft | Windows Server 2016 | before 10.0.14393.8330 |
| Microsoft | Windows Server 2019 | before 10.0.17763.7678 |
Weakness classification
References
- NVD record
- CVE.org record
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53778
- https://www.vicarius.io/vsociety/posts/cve-2025-53778-detection-script-improper-authentication-vulnerability-affecting-windows-ntlm
- https://www.vicarius.io/vsociety/posts/cve-2025-53778-mitigation-script-improper-authentication-vulnerability-affecting-windows-ntlm