CVE-2025-62459

Microsoft · Published November 20, 2025

8.3

CVSS v3.1

HIGH

Patch availableGet patch

Description

Microsoft Defender Portal Spoofing Vulnerability. Why are there no links to an update or instructions with steps that must be taken to protect from this vulnerability? This vulnerability has already been fully mitigated by Microsoft. There is no action for users of this service to take. The purpose of this CVE is to provide further transparency. Please see Toward greater transparency: Unveiling Cloud Service CVEs for more information.

Affected Products

Microsoft 365 Defender Portal

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L/E:U/RL:O/RC:C