MicrosoftCVE-2026-83711
Microsoft Entra: privilege escalation
Critical10.0CVE-2026-83711 · Published Sep 3, 2026 · updated Sep 8, 2026
Authorization bypass through user-controlled key in Microsoft Azure Active Directory B2C allows an unauthorized attacker to elevate privileges over a network.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Entra Product | all versions | No fix yet |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-639
More Microsoft advisories
All Microsoft| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Sep 3 | Microsoft Fabric: missing authorization | High8.5 | No fix yet |
| Sep 3 | Microsoft Azure AI Language Authoring: missing authentication | Critical10.0 | No fix yet |
| Sep 3 | Microsoft Copilot Studio: privilege escalation | Critical9.3 | No fix yet |
| Sep 3 | Microsoft Discovery Studio: unauthorized attacker could disclose information... | High7.4 | No fix yet |
| Sep 3 | Microsoft Entra: authentication bypass | Critical9.1 | No fix yet |
| Sep 3 | Microsoft Power Platform: server-side request forgery | High8.5 | No fix yet |