CVE-2025-62459

Name: CVE-2025-62459
Creator: NVD / NIST
Published: 2025-11-20T23:15:56.563+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.26%

Last modified Jun 17, 2026

CVE-2025-62459 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. Microsoft Defender Portal Spoofing Vulnerability. EPSS estimates a 0.26% chance of exploitation in the next 30 days.

Description

Microsoft Defender Portal Spoofing Vulnerability

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

0.26%

17.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Microsoft	365 Defender Portal	All versions

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-62459Vendor Advisory

Timeline

Published: Nov 20, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-62459?

Microsoft Defender Portal Spoofing Vulnerability

How severe is CVE-2025-62459?

CVE-2025-62459 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.26% probability of exploitation in the next 30 days.

How do I fix CVE-2025-62459?

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-2025-62459?

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

Scan your code now

Source: NVD / NIST