What’s Vulnerable › Vulnerabilities

CVE-2025-62459: Microsoft Defender Portal Spoofing Vulnerability

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-11-20 · updated 2026-10-18
• Weakness: CWE-79

Description

Microsoft Defender Portal Spoofing Vulnerability

Affected products

• Microsoft 365 Defender Portal: all versions
• Microsoft 365 Defender Portal: all versions

References

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

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