CVE-2026-40371

highpriority · track · 0EPSS 0.006 · 50 %ileDEEUNLRUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.63% (50th) EPSS

CVSS 8.8 · high

Is it mine?

7 products

Check your exposure

Who says so?

7 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

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

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedMicrosoft Dynamics 365 (on-premises) version 9.1msrc_csaf
9.1.0045.0011:Security Update:https://support.microsoft.com/en-us/topic/service-update-1-45-for-microsoft-dynamics-crm-on-premises-9-1-63e24664-3193-4182-a110-934ee929ce93
https://support.microsoft.com/en-us/topic/service-update-1-45-for-microsoft-dynamics-crm-on-premises-9-1-63e24664-3193-4182-a110-934ee929ce93

cvss

Technical severity, 0–10. One row per scoring source.

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.18.8highAV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · ENISA EU

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · secure@microsoft.com USexploitability 2.8 · impact 5.9

v3.18.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · NCSC-NL NL

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · Microsoft Security Response Center US

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-755USprimaryCWE-280USCWE-280USCWE-280USCWE-280US

affected products (7)

Products and version ranges known to be affected.

Microsoft Dynamics 365 (on-premises) version 9.1all versionscert_bundDEcpe:/a:microsoft:dynamics_365:%28on-premises%29_version_9.1
Microsoft Microsoft Dynamics 365 (on-premises) version 9.19.0 → 9.1.0045.0011enisa_euvdEU
Microsoft Corp Microsoft Dynamics 365 (on-premises)9.1 → 9.1.0045.0011fstec_bduRU
Microsoft Microsoft Dynamics 365 (on-premises) version 9.1all versionsfixedmsrc_csafUS
Microsoft Microsoft Dynamics 365 (on-premises) version 9.1< 9.1.0045.0011msrc_csafUS
Microsoft Microsoft Dynamics 365 (on-premises) version 9.1≤ vers:unknown/*ncsc_nlNL
microsoft dynamics 3659.1 → 9.1.45.11nvdUScpe:2.3:a:microsoft:dynamics_365:*:*:*:*:*:*:*:*

advisories (3)

Vendor and ecosystem advisories describing this.

NCSC-2026-0186Kwetsbaarheid verholpen in Microsoft DynamicsNL2026-06-09csaf · ncsc_nlNL
Microsoft heeft een kwetsbaarheid verholpen in Dynamics (on-premise).
WID-SEC-W-2026-1844Microsoft Dynamics 365 (On-Premises): Schwachstelle ermöglicht Erlangen von AdministratorrechtenDeutsch2026-06-09csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Microsoft Dynamics 365 ausnutzen, um Administratorrechte zu erlangen.
msrc_CVE-2026-40371Microsoft Dynamics 365 (on-premises) Elevation of Privilege Vulnerability2026-06-09csaf · msrc_csafUS
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund msrc_csaf ncsc_nl nvd NVD CVE.org MITRE

published 2026-06-09modified 2026-07-23

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+700 more

references (4)

External citations — patches, advisories, analysis.

scry

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