Status: UPDATED | Advisory ID: CVE-2026-65667
| CVE | CVE-2026-65667 |
| CVSS Score / Version | 10.0 (Critical) / CVSS v3.1 |
| Updated | 2026-09-20 |
| CVSS Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N |
| CVSS Prose | attack vector is network; attack complexity is low; privileges required is none; user interaction is none; scope is changed; confidentiality impact is high; integrity impact is high; availability impact is none. |
| Affected products | Microsoft Teams |
| Classified as | CWE-862 (Missing Authorization) |
| Exploitation prediction (EPSS) | 0.80% probability of exploitation in the next 30 days (55% percentile) -- FIRST.org's EPSS model. |
| Vendor | Product | Affected Versions | Patch Status |
|---|---|---|---|
| Microsoft | Teams |
| Subsystems | General OT |
| Sectors | Multiple |
Missing authorization in Microsoft Teams allows an unauthorized attacker to elevate privileges over a network.
Monitor Microsoft's web page for any future patch releases. See vendor advisory link below.