CVE-2026-65769: Microsoft Teams Mobile information disclosure

CVE-2026-65769 · Severity: medium · CVSS 6.5 · Published 2026-08-11

Microsoft Teams Mobile is a messaging and collaboration application used by enterprises for team communication. An information disclosure vulnerability allows an unauthorized attacker to access sensitive data transmitted over the network, potentially exposing confidential business communications or user account information.

Technologies: Microsoft Teams. Vendors: Microsoft.

Quick answers

Is CVE-2026-65769 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-65769 being exploited in the wild.
How severe is CVE-2026-65769?
Medium severity, with a CVSS score of 6.5, published 11 August 2026.
Which products and versions are affected?
Microsoft Teams Mobile.
Is there a fix for CVE-2026-65769?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-65769 attacked?
It is attacked over the network.
Am I affected by CVE-2026-65769?
Check whether you run Microsoft Teams or Microsoft Teams Mobile. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

This vulnerability is an information disclosure (CWE-200) affecting Microsoft Teams Mobile. An unauthorized attacker can exploit this issue over the network to disclose sensitive information. The vulnerability does not require authentication or special user interaction. The exact attack vector and vulnerable component details are not fully documented in the available references, but the network-based exposure suggests inadequate data protection or encryption in the mobile application's communication mechanisms.

Affected products

  • Microsoft Teams Mobile

Timeline

  • 2026-08-11: disclosed

References

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