The vulnerability of the Microsoft 365 Defender Portal’s security management platform arises from the lack of measures taken to protect the website structure. This allows attackers to carry out XSS attacks.

The vulnerability of the Microsoft 365 Defender Portal exists due to the lack of measures taken to protect the website structure. Exploiting this vulnerability allows a malicious actor to carry out XSS attacks remotely...

CVE-2025-62459

Microsoft Defender Portal Spoofing Vulnerability...

EUVD-2025-198367

Microsoft Defender Portal Spoofing Vulnerability...

CVE-2025-62459

Microsoft Defender Portal Spoofing Vulnerability...

CVE-2025-62459 Microsoft Defender Portal Spoofing Vulnerability

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CVE-2025-62459

CVE-2025-62459 is a Microsoft Defender Portal vulnerability described as a portal spoofing issue that can enable UI spoofing (spoofed Defender Portal interactions). The connected sources identify the affected product as the Defender / 365 Defender Portal, with the vulnerability arising from a por...

CVE-2025-62459 Microsoft Defender Portal Spoofing Vulnerability

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Microsoft Defender Portal Spoofing Vulnerability

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CVE-2025-62459: Improper Neutralization of Input During Web Page Generation

Microsoft Defender Portal Spoofing Vulnerability...

KLA90453 SUI vulnerability in Microsoft Windows

A spoofing vulnerability vulnerability was found in Microsoft Windows. Malicious users can exploit this vulnerability to spoof user interface. Original advisories CVE-2025-62459 Exploitation Related products Microsoft-365 CVE list CVE-2025-62459 critical KB list Solution Install necessary updates...

PT-2025-47644

Name of the Vulnerable Software and Affected Versions Microsoft Defender Portal affected versions not specified Description A spoofing issue exists in the Microsoft Defender Portal. The vulnerability allows for potential unauthorized access or manipulation due to the spoofing mechanism...

Planning your move to Microsoft Defender portal for all Microsoft Sentinel customers

In November 2023, Microsoft announced our strategy to unify security operations by bringing the best of XDR and SIEM together. Our first step was bringing Microsoft Sentinel into the Defender portal, giving teams a single, comprehensive view of incidents, reducing queue management, enriched threa...