CyberICT

CVE-2026-77903

Microsoft · Published September 17, 2026

CVSS v3.1

CRITICAL
Patch availableGet patch

Description

Authentication bypass by spoofing in Microsoft Dataverse allows an unauthorized attacker to elevate privileges over a network.

Affected Products

    CVSS Vector

    CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H