CVE-2025-62459

Microsoft Defender Portal Spoofing Vulnerability

Published Nov 20, 2025 CVSS 3.1 · 8.3 High EPSS < 1% KEV · Not listed
Description
Microsoft Defender Portal Spoofing Vulnerability

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
CPEs cpe:2.3:a:microsoft:365_defender_portal:-:*:*:*:*:*:*:*
Type Values Removed Values Added
Description Microsoft Defender Portal Spoofing Vulnerability
Title Microsoft Defender Portal Spoofing Vulnerability
First Time appeared Microsoft
Microsoft 365 Defender Portal
Weaknesses CWE-79
CPEs cpe:2.3:a:microsoft:365_defender_portal:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft 365 Defender Portal
References
Metrics cvssV3_1

{'score': 8.3, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
microsoft
Published
Updated
Feb 26, 2026, 4:07 PM
Reserved
Oct 14, 2025, 6:24 PM
Status
Analyzed
Published
Nov 20, 2025, 11:15 PM
Modified
Oct 18, 2026, 8:10 PM