Origin Validation Error in Microsoft Teams for Android by Microsoft
CVE-2026-69559

5.8MEDIUM

Key Information:

Vendor

Microsoft
Status
Microsoft Teams For Android
Vendor
CVE Published:
8 September 2026

What is CVE-2026-69559?

An origin validation error exists in Microsoft Teams for Android that permits an authorized attacker to reveal sensitive information over a network. This vulnerability potentially compromises user privacy and the confidentiality of data transmitted via the application. Users are advised to update to the latest version to mitigate any risks associated with this flaw.

Affected Version(s)

Microsoft Teams for Android 1.0.0 < 1.0.0.2026142702

References

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

CVSS V3.1

Score:
5.8
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.