Microsoft Outlook Spoofing Vulnerability in Microsoft Products
CVE-2025-21259

5.3MEDIUM

Key Information:

Vendor

Microsoft
Status
Microsoft Outlook For Android
Vendor
CVE Published:
11 February 2025

What is CVE-2025-21259?

The Microsoft Outlook spoofing vulnerability allows attackers to craft deceptive emails that appear to be from legitimate sources, potentially compromising user trust and leading to unauthorized access or data leakage. This vulnerability can be exploited to manipulate email headers, making it difficult for recipients to discern the true origin of an email. It is crucial for organizations utilizing Microsoft Outlook products to implement security measures and updates to mitigate risks associated with this vulnerability.

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Affected Version(s)

Microsoft Outlook for Android Unknown 1.0 < 4.2501.1

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisory

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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