CVE-2025-21259

MEDIUM

Microsoft Outlook < 4.2501.1 - Spoofing via User Interface Misrepresentation

Title source: llm
STIX 2.1

Description

Microsoft Outlook Spoofing Vulnerability

References (1)

Core 1
Core References
Patch, Vendor Advisory vendor-advisory patch
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21259

Scores

CVSS v3 5.3
EPSS 0.0100
EPSS Percentile 58.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-451
Status published
Products (1)
microsoft/outlook < 4.2501.1
Published Feb 11, 2025
Tracked Since Feb 18, 2026