Vulnerability · Published Oct 14, 2025 · Assigned by microsoft
CVE-2025-59284Windows NTLM Spoofing Vulnerability
Low 3.3
In plain English
A low-severity information exposure in Windows 11 version 22H2 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 64% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Severity (CVSS 3.1)3.3Low
Exploit odds (30 days)1.0%top 36.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC
Official description
Exposure of sensitive information to an unauthorized actor in Windows NTLM allows an unauthorized attacker to perform spoofing locally.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 11 version 22H2 | 10.0.22621.0 – before 10.0.22621.6060 |
| Microsoft | Windows 11 version 22H3 | 10.0.22631.0 – before 10.0.22631.6060 |
| Microsoft | Windows 11 Version 23H2 | 10.0.22631.0 – before 10.0.22631.6060 |
| Microsoft | Windows 11 Version 24H2 | 10.0.26100.0 – before 10.0.26100.6899 |
| Microsoft | Windows 11 Version 25H2 | 10.0.26200.0 – before 10.0.26200.6899 |
| Microsoft | Windows Server 2025 | 10.0.26100.0 – before 10.0.26100.6899 |
| Microsoft | Windows Server 2025 (Server Core installation) | 10.0.26100.0 – before 10.0.26100.6899 |
Weakness: CWE-200 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C
References
- Windows NTLM Spoofing Vulnerability vendor-advisory, patch