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Microsoft Security Response CenterCVE-2026-77903

Microsoft Dataverse Elevation of Privilege Vulnerability

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

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9.0CVSS out of 10Critical severity
Scope

What the vendor says is affected

  • Microsoft Dataverse
Timeline

When this advisory changed

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.

Vulnerabilities

CVEs named in this advisory

CVE-2026-77903View CVSS, KEV, EPSS, and threat context
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