CVE-2025-26685: Microsoft Defender for Identity Spoofing Vulnerability

6.5 CVSS

Description

Improper authentication in Microsoft Defender for Identity allows an unauthorized attacker to perform spoofing over an adjacent network.

Classification

CVE ID: CVE-2025-26685

CVSS Base Severity: MEDIUM

CVSS Base Score: 6.5

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

Problem Types

CWE-287: Improper Authentication

Affected Products

Vendor: Microsoft

Product: Microsoft Defender for Identity

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.1% (probability of being exploited)

EPSS Percentile: 27.74% (scored less or equal to compared to others)

EPSS Date: 2025-06-04 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-26685
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-26685

Timeline