Microsoft Teams Classic security updates
The latest version of Microsoft Teams Classic is 1.8.00.27654, released October 3, 2025. Patch Radar has 2 security fixes for Microsoft Teams Classic, closing 3 CVEs, 1 of which is being exploited. The newest security fix is Microsoft Teams Classic 1.6.00.26474, released September 22, 2023. Version 1.8.00.27654 adds no new CVE fixes and includes all of them. 3 CVEs have no fix yet.
CVEs with no fix yet
| Priority | CVE | Title | Status |
|---|---|---|---|
| High | CVE-2025-53783 | Microsoft Teams Remote Code Execution Vulnerability | no-fix |
| Routine | CVE-2020-10146 | Microsoft Teams displayName stored cross-site scripting vulnerability | no-fix |
| Routine | CVE-2023-24881 | Microsoft Teams Information Disclosure Vulnerability | no-fix |
Security fixes, newest first
| Priority | Fix | Fixed in | CVEs | Exploited | Released |
|---|---|---|---|---|---|
| Latest | Microsoft Teams Classic 1.8.00.27654 | 1.8.00.27654 | Includes every fix below | Oct 3, 2025 | |
| Patch now | Microsoft Teams Classic 1.6.00.26474 | 1.6.00.26474 | 1 | 1 | Sep 22, 2023 |
| Urgent | Microsoft Teams Classic 1.6.00.20074 | 1.6.00.20074 | 2 | Jul 19, 2023 | |
Patch Radar data is free to use with attribution. Terms and how to credit it.
Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.