Summary
Impact: Elevation of Privilege. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.
Details
Security updates
2.6.84.0 — https://learn.microsoft.com/en-us/entra/identity/hybrid/connect/reference-connect-version-history#26840
Vulnerabilities 1
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High 7.8
Microsoft Entra Connect Elevation of Privilege Vulnerability
Incorrect authorization in Microsoft Entra Connect Sync allows an authorized attacker to elevate privileges over a network.
Revision history
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#1
Information published.
References
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CVE-2026-65673 Microsoft Entra Connect Elevation of Privilege Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65673
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Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
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Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
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Common Vulnerability Scoring System
https://www.first.org/cvss