What’s Vulnerable › Vulnerabilities

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

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-05-13 · updated 2026-06-17
• Weakness: CWE-287

Description

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

Affected products

• Microsoft Defender for Identity: all versions
• Microsoft Defender for Identity: all versions

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-26685

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