CVE-2026-40371
Improper handling of insufficient permissions or privileges in Microsoft Dynamics 365 (on-premises) allows an authorized attacker to elevate privileges over a network.
CSIRTS triage
- What
- Improper handling of insufficient permissions in Microsoft Dynamics 365 allows an authorized attacker to elevate privileges over a network.
- Who is affected
- Users of Microsoft Dynamics 365 (on-premises).
- Urgency
- Remediation is important but not urgent as there is no active exploitation reported.
- Action
- Update Microsoft Dynamics 365 to the latest version to address the vulnerability.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.63% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 46% of all EPSS-scored CVEs.
Advisory coverage (1)
External references
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[](https://www.csirts.com/cve/CVE-2026-40371)