CVE-2025-21259

Published: Feb 11, 2025Modified: Jun 17, 2026

5.3

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Exploitability: 3.9 / Impact: 1.4

Source: secure@microsoft.com (Secondary)

Description

Microsoft Outlook Spoofing Vulnerability

Affected (1)

Products: Microsoft: Outlook

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Microsoft Outlook	Before 4.2501.1

Related CWEs

User Interface (UI) Misrepresentation of Critical Information

The user interface (UI) does not properly represent critical information to the user, allowing the information - or its source - to be obscured or spoofed. This is often a component in phishing attacks.

References (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21259

Source: secure@microsoft.com

PatchVendor Advisory

Timeline

No history available yet.