HIGH 8.3 Microsoft
CVE-2025-62459
Microsoft Defender Portal Spoofing Vulnerability
Microsoft Security Update 2025-Nov: Microsoft Defender Portal Spoofing Vulnerability
Affected Products
- Microsoft 365 Defender Portal
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-62459
- https://nvd.nist.gov/vuln/detail/CVE-2025-62459
This high severity vulnerability with a CVSS score of 8.3 was published on 2025-11-11 via Microsoft. Affected: Microsoft 365 Defender Portal.
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