CVE-2026-77903: microsoft dataverse

CVSS 9.0 (critical) · published 2026-09-17

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

Affected products (NVD): microsoft dataverse

Weakness: CWE-290

Source: NVD CVE-2026-77903

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-77903

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