# CVE-2026-33823: Improper authorization in Microsoft Teams allows an authorized attacker to disclose information over a network.

Source: https://junglewise.ai/threats/cve-2026-33823-improper-authorization-in-microsoft-teams-allows-an-authorized  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-05-07  
License: CC BY 4.0 with a link back

CVE-2026-33823 · Severity: critical · CVSS 9.6 · Published 2026-05-07

Improper authorization in Microsoft Teams allows an authorized attacker to disclose information over a network.

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

## Quick answers

**Is CVE-2026-33823 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-33823 being exploited in the wild.

**How severe is CVE-2026-33823?** Critical severity, with a CVSS score of 9.6, published 7 May 2026.

**Which products and versions are affected?** Microsoft Teams. The advisory does not name versions.

**Is there a fix for CVE-2026-33823?** 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.

**Am I affected by CVE-2026-33823?** Check whether you run Microsoft Teams. 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.

## Affected products

- Microsoft Teams

## Related threats

- [Microsoft Teams cross-site scripting in web page generation](https://junglewise.ai/threats/cve-2026-116926-improper-neutralization-of-input-during-web-page-generation)
- [Microsoft Teams Mobile information disclosure](https://junglewise.ai/threats/cve-2026-65769-microsoft-teams-mobile-information-disclosure)
- [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)
- [Microsoft Teams spoofing via improper file access controls](https://junglewise.ai/threats/cve-2026-32185-microsoft-teams-spoofing-via-improper-file-access-controls)