Status: UPDATED | Advisory ID: CVE-2026-77903
| CVE | CVE-2026-77903 |
| CVSS Score / Version | 9.0 (Critical) / CVSS v3.1 |
| Updated | 2026-09-25 |
| CVSS Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H |
| CVSS Prose | attack vector is network; attack complexity is high; privileges required is none; user interaction is none; scope is changed; confidentiality impact is high; integrity impact is high; availability impact is high. |
| Affected products | Microsoft dataverse and Microsoft Microsoft Dataverse |
| Classified as | CWE-290 (Authentication Bypass by Spoofing) |
| Vendor | Product | Affected Versions | Patch Status |
|---|---|---|---|
| Microsoft | dataverse | ||
| Microsoft | Microsoft Dataverse |
| Subsystems | General OT |
| Sectors | Multiple |
Authentication bypass by spoofing in Microsoft Dataverse 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.