AI and data stack advisories

Severe, 6 weeks1496Projects326

1496 severe, 6 weeks · 326 projects

MicrosoftCVE-2026-77903

Microsoft Dataverse: authentication bypass

Microsoft

CVE-2026-77903 · Published Sep 17, 2026 · updated Sep 25, 2026

Critical9.0
No fix yet
Microsoft advisory

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

Affected versions

PackageAffectedFixed in
Microsoft Dataverse
Product
all versionsNo fix yet
Details and references
CVSS 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-290

More Microsoft advisories

All Microsoft
Critical 9.9Sep 17Microsoft 365 Copilot: command injectionCVE-2026-85885no fix yetCritical 10.0Sep 17Microsoft Azure AI Foundry: missing authenticationCVE-2026-85889no fix yetHigh 7.5Sep 17Microsoft Azure AI Foundry: server-side request forgeryCVE-2026-85917no fix yetCritical 9.6Sep 17Microsoft Azure Cosmos DB: privilege escalationCVE-2026-87701no fix yetCritical 10.0Sep 17Microsoft Azure Logic Apps: improper access controlCVE-2026-83944no fix yetHigh 7.4Sep 17Microsoft 365 Copilot's Business Chat: command injectionCVE-2026-78501no fix yet