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CVE-2026-40371

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

HIGH
8.8
CVSS Score
Published: June 9, 2026 at 05:05 PM UTC
Updated: July 23, 2026 at 07:32 PM UTC
1 product affected across 1 vendorDynamics 365

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Severity
HIGH8.8
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

Description

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Dynamics 365· Microsoft
95%
9.0 ≤ v < 9.1.0045.00119.1 ≤ v < 9.1.45.119.0
Affected range stops below 9.1.0045.0011, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.1.45.11, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor AdvisoryPatch
Source: [email protected]
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40371

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHmicrosoft
Vector?

Quick Info

StatusANALYZED
CWE
CWE-280CWE-755

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