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4843 articles · 212607 vulns · 37/41 feeds (7d)
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10.0
CVE-2026-83711PATCHED
Microsoft · Entra

Microsoft Azure Active Directory B2C Elevation of Privilege Vulnerability

Description

Authorization bypass through user-controlled key in Microsoft Azure Active Directory B2C allows an unauthorized attacker to elevate privileges over a network.

Affected Products

VendorProductVersions
MicrosoftEntra-

Also Affects

Downstream vendors/products affected by this vulnerability

VendorProductSourceConfidence
microsoftazurecert_advisory90%
microsoft365 copilotcert_advisory90%
microsoftentracert_advisory90%
microsoftmicrosoft azure cosmos dbcert_advisory90%

References

  • https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83711(vendor-advisory, patch)

Related News (4 articles)

Tier C
Cisco Talos1h ago
Microsoft Patch Tuesday for September 2026 — Snort rules and prominent vulnerabilities
→ No new info (linked only)
Tier B
BSI Advisories4d ago
[NEU] [hoch] Microsoft Clouddienste: Mehrere Schwachstellen
→ No new info (linked only)
Tier C
VulDB5d ago
CVE-2026-83711 | Microsoft Entra authorization
→ No new info (linked only)
Tier A
Microsoft MSRC5d ago
CVE-2026-83711 Microsoft Azure Active Directory B2C Elevation of Privilege Vulnerability
→ No new info (linked only)

Discussion (0)

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CVSS 3.110.0 CRITICAL
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C
CISA KEV❌ No
Actively exploited❌ No
Patch available
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83711
CWECWE-639
PublishedSep 3, 2026
Last enriched5d ago
Trending Score64
Source articles4
Independent4
Info Completeness7/14
Missing: title, description, epss, kev, exploit, iocs, mitre_attack

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Verification

State: verified
Confidence: 0%

Vulnerability Timeline

CVE Published
Sep 3, 2026
Discovered by ZDM
Sep 3, 2026
Patch Available
Sep 8, 2026