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Microsoft Security Response CenterCVE-2026-40371

Microsoft Dynamics 365 (on-premises) Elevation of Privilege Vulnerability

Improper handling of insufficient permissions or privileges in Microsoft Dynamics 365 (on-premises) allows an authorized attacker to elevate privileges over a network.

Read the vendor bulletin Get alerts for Microsoft Dynamics 365 (on-premises)
8.8CVSS out of 10High severity
Scope

What the vendor says is affected

  • Microsoft Dynamics 365 (on-premises) version 9.1

Versions the vendor lists as fixed

  • 9.1.0045.0011
Next step

What the vendor recommends

Release Notes

Review the complete instructions on the vendor's site
Timeline

When this advisory changed

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Updated by Microsoft Security Response Center

    The vendor changed the advisory after it was first published.

  3. Added to SecurityAlert

    We collected the advisory from the official source.

Vulnerabilities

CVEs named in this advisory

CVE-2026-40371View CVSS, KEV, EPSS, and threat context
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