CVE-2025-59284

Name: CVE-2025-59284
Creator: NVD / NIST
Published: 2025-10-14T17:16:11.29+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.94%

Last modified Jun 17, 2026

CVE-2025-59284 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. Exposure of sensitive information to an unauthorized actor in Windows NTLM allows an unauthorized attacker to perform spoofing locally.. EPSS estimates a 0.94% chance of exploitation in the next 30 days.

Description

Exposure of sensitive information to an unauthorized actor in Windows NTLM allows an unauthorized attacker to perform spoofing locally.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

EPSS Probability

0.94%

56.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions
Microsoft	Windows 11 22h2	< 10.0.22621.6060
Microsoft	Windows 11 23h2	< 10.0.22631.6060
Microsoft	Windows 11 24h2	< 10.0.26100.6899
Microsoft	Windows 11 25h2	< 10.0.26200.6899
Microsoft	Windows Server 2025	< 10.0.26100.6899

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59284Vendor Advisory

Timeline

Published: Oct 14, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-59284?

Exposure of sensitive information to an unauthorized actor in Windows NTLM allows an unauthorized attacker to perform spoofing locally.

How severe is CVE-2025-59284?

CVE-2025-59284 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.94% probability of exploitation in the next 30 days.

How do I fix CVE-2025-59284?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-59284?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST