Status: UPDATED | Advisory ID: CVE-2026-62918
| CVE | CVE-2026-62918 |
| CVSS Score / Version | 7.5 (High) / CVSS v3.1 |
| Updated | 2026-09-20 |
| CVSS Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| CVSS Prose | attack vector is network; attack complexity is low; privileges required is none; user interaction is none; scope is unchanged; confidentiality impact is none; integrity impact is high; availability impact is none. |
| Affected products | Microsoft Teams |
| Classified as | CWE-347 (Improper Verification of Cryptographic Signature) |
| Exploitation prediction (EPSS) | 0.50% probability of exploitation in the next 30 days (40% percentile) -- FIRST.org's EPSS model. |
| Vendor | Product | Affected Versions | Patch Status |
|---|---|---|---|
| Microsoft | Teams |
| Subsystems | General OT |
| Sectors | Multiple |
Improper verification of cryptographic signature in Microsoft Teams allows an unauthorized attacker to perform spoofing over a network.
Monitor Microsoft's web page for any future patch releases. See vendor advisory link below.