CVE-2026-40371: CWE-280: Improper Handling of Insufficient Permissions or Privileges in Microsoft Microsoft Dynamics 365 (on-premises) version 9.1
Improper handling of insufficient permissions or privileges in Microsoft Dynamics 365 (on-premises) allows an authorized attacker to elevate privileges over a network.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-40371) in Microsoft Dynamics 365 (on-premises) version 9.1 is classified under CWE-280, indicating improper handling of insufficient permissions or privileges. It allows an attacker with some level of authorization to elevate their privileges remotely over a network. The CVSS v3.1 base score is 8.8, reflecting high impact on confidentiality, integrity, and availability. Microsoft has released an official fix for this issue. The affected version explicitly stated is 9.0. No active exploitation has been reported.
Potential Impact
An authorized attacker can escalate privileges remotely, potentially gaining higher access rights than intended. This can lead to full compromise of the affected system's confidentiality, integrity, and availability. No known exploits are currently active in the wild.
Mitigation Recommendations
An official fix is available from Microsoft for this vulnerability. It is recommended to apply the provided patch promptly to remediate the issue. Since this is an on-premises product, administrators should follow Microsoft's official guidance to update affected installations. There are no indications that no action is required or that the issue is already mitigated without patching.
CVE-2026-40371: CWE-280: Improper Handling of Insufficient Permissions or Privileges in Microsoft Microsoft Dynamics 365 (on-premises) version 9.1
Description
Improper handling of insufficient permissions or privileges in Microsoft Dynamics 365 (on-premises) allows an authorized attacker to elevate privileges over a network.
CVSS v3.1
Score 8.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-40371) in Microsoft Dynamics 365 (on-premises) version 9.1 is classified under CWE-280, indicating improper handling of insufficient permissions or privileges. It allows an attacker with some level of authorization to elevate their privileges remotely over a network. The CVSS v3.1 base score is 8.8, reflecting high impact on confidentiality, integrity, and availability. Microsoft has released an official fix for this issue. The affected version explicitly stated is 9.0. No active exploitation has been reported.
Potential Impact
An authorized attacker can escalate privileges remotely, potentially gaining higher access rights than intended. This can lead to full compromise of the affected system's confidentiality, integrity, and availability. No known exploits are currently active in the wild.
Mitigation Recommendations
An official fix is available from Microsoft for this vulnerability. It is recommended to apply the provided patch promptly to remediate the issue. Since this is an on-premises product, administrators should follow Microsoft's official guidance to update affected installations. There are no indications that no action is required or that the issue is already mitigated without patching.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_base
- Csaf Version
- 2.0
- Publisher
- Bundesamt für Sicherheit in der Informationstechnik
- Advisory Id
- WID-SEC-W-2026-1844
- Cve Count
- 1
- Remediation Level
- official-fix
- Is Cloud Service
- true
Threat ID: 6a29d5c70e53e738839c2bb2
Added to database: 06/10/2026, 21:23:19 UTC
Last enriched: 08/14/2026, 12:53:51 UTC
Last updated: 09/14/2026, 16:39:33 UTC
Views: 103
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