CVE-2026-40371
Microsoft Dynamics 365 (on-premises) Elevation of Privilege vulnerability
MSRC advisory June 9, 2026
Alert details
- Source feed
- Microsoft MSRC
- CVE ID
- CVE-2026-40371
- Affected products
- Microsoft Dynamics 365 (on-premises) Elevation of Privilege · Microsoft Microsoft Dynamics 365 (on-premises) Elevation of Privilege · Microsoft
What happened
Updated the fixed version information and download link. The fix was previously believed to be included in Dynamics 365 Server (on-premises) version 6.2; however, it has been confirmed that the fix is included in Dynamics 365 Server v9.1 (on-premises) Update 1.45 (version 9.1.0045.0011). The download link, release notes, and build number has been updated accordingly in the Updates Table.
What it means for your business
Microsoft Dynamics 365 (on-premises) Elevation of Privilege vulnerability (CVE-2026-40371) was added to Microsoft’s security update guidance. Updated the fixed version information and download link. The fix was previously believed to be included in Dynamics 365 Server (on-premises) version 6.2; however, it has been confirmed that the fix is included in Dynamics 365 Server v9.1 (on-premises) Update 1.45 (version 9.1.… If you need help checking exposure, call (864) 335-9223.
Sources
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