# CVE-2026-65812: Microsoft Teams for Android information disclosure in network communication

Source: https://junglewise.ai/threats/cve-2026-65812-microsoft-teams-for-android-information-disclosure-in-network  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-08. Updated: 2026-09-26  
License: CC BY 4.0 with a link back

CVE-2026-65812 · Severity: medium · CVSS 6.8 · Published 2026-09-08

Microsoft Teams for Android is a widely-used messaging and collaboration app. A flaw allows an authorized attacker to extract sensitive information from the app's network communications, potentially exposing user data or credentials.

Technologies: [Microsoft Teams for Android](https://junglewise.ai/threats/technologies/teams-for-android). Vendors: [Microsoft](https://junglewise.ai/threats/vendors/microsoft).

## Quick answers

**Is CVE-2026-65812 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-65812 being exploited in the wild.

**How severe is CVE-2026-65812?** Medium severity, with a CVSS score of 6.8, published 8 September 2026.

**Which products and versions are affected?** Microsoft Teams for Android unspecified.

**Is there a fix for CVE-2026-65812?** 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-2026-65812 attacked?** It is attacked over the network or from the adjacent network, in an operating system.

**Am I affected by CVE-2026-65812?** Check whether you run Microsoft Teams for Android at an affected version. 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

The vulnerability is an information disclosure flaw caused by insertion of sensitive data into network communications in Microsoft Teams for Android. An authorized attacker (one with legitimate access to the application or network position) can intercept and read sensitive information transmitted by the app. The vulnerability requires either prior authorization or adjacent network access to exploit, but does not require code execution or special privileges. Patches are available through Microsoft's regular security updates.

## Affected products

- Microsoft Teams for Android unspecified

## Timeline

- 2026-09-08: disclosed

## References

- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65812](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65812)

## Related threats

- [Microsoft Teams for Android origin validation error](https://junglewise.ai/threats/cve-2026-69901-origin-validation-error-in-microsoft-teams-for-android-allows-an)
- [Microsoft Teams for Android code injection spoofing vulnerability](https://junglewise.ai/threats/cve-2026-122979-improper-control-of-generation-of-code-code-injection-in)
- [Microsoft Teams for Android origin validation bypass](https://junglewise.ai/threats/cve-2026-69559-microsoft-teams-for-android-origin-validation-bypass)
- [Microsoft Teams for Android path traversal remote code execution](https://junglewise.ai/threats/cve-2026-65768-microsoft-teams-for-android-path-traversal-remote-code-execution)
- [Microsoft Teams for Android cross-site scripting](https://junglewise.ai/threats/cve-2026-65767-microsoft-teams-for-android-cross-site-scripting)