CVE-2025-21259

MEDIUM5.3

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Description

Microsoft Outlook Spoofing Vulnerability

CVSS breakdown

CVSS 3.1

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

E

Unchanged

RL

O

RC

Changed

Affected products

microsoft / Microsoft Outlook for Android1.0 – 4.2501.1

References

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

Updated 20m ago · 8 sources