CVE-2026-100214

highpriority · track · 36EPSS 0.021 · 81 %ileFRNLUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

2.07% (81st) EPSS

CVSS 8.8 · high

Is it mine?

8 products

Check your exposure

Who says so?

3 sources

msrc_csaf · ncsc_nl · certfr

EPSS · scored 2026-10-27

Deserialization of untrusted data in Dynamics Business Central allows an authorized attacker to execute code over a network.

remediations

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

A vendor fix is available.

FixedMicrosoft Dynamics NAV 2017msrc_csaf
30713:Security Update:https://support.microsoft.com/en-us/servicing/dynamics/nav/update/2021/12/cumulative-update-61-for-microsoft-dynamics-nav-2017-build-30699
https://support.microsoft.com/en-us/servicing/dynamics/nav/update/2021/12/cumulative-update-61-for-microsoft-dynamics-nav-2017-build-30699
FixedMicrosoft Dynamics NAV 2018msrc_csaf
11.0.50736.0:Security Update:https://support.microsoft.com/en-gb/servicing/dynamics/nav/update/2022/12/cumulative-update-60-for-microsoft-dynamics-nav-2018-build-49618
https://support.microsoft.com/en-gb/servicing/dynamics/nav/update/2022/12/cumulative-update-60-for-microsoft-dynamics-nav-2018-build-49618

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

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · 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: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-502USCWE-502USCWE-502US

affected products (8)

Products and version ranges known to be affected.

Microsoft Microsoft Dynamics NAV 2017all versionsfixedmsrc_csafUS
Microsoft Microsoft Dynamics NAV 2017< 30713msrc_csafUS
Microsoft Microsoft Dynamics NAV 2018all versionsfixedmsrc_csafUS
Microsoft Microsoft Dynamics NAV 2018< 11.0.50736.0msrc_csafUS
Microsoft Microsoft Dataverse≤ vers:unknown/*ncsc_nlNL
Microsoft Microsoft Dynamics 365 (on-premises) version 9.1≤ vers:unknown/*ncsc_nlNL
Microsoft Microsoft Dynamics NAV 2017 on Windows Server 2012≤ vers:unknown/*ncsc_nlNL
Microsoft Microsoft Dynamics NAV 2018 on Windows Server 2012≤ vers:unknown/*ncsc_nlNL

advisories (3)

Vendor and ecosystem advisories describing this.

NCSC-2026-0424Kwetsbaarheden verholpen in Microsoft DynamicsNL2026-10-13csaf · ncsc_nlNL
Microsoft heeft kwetsbaarheden verholpen in diverse Dynamics componenten.
msrc_CVE-2026-100214Microsoft Dynamics 365 Business Central Remote Code Execution Vulnerability2026-10-13csaf · msrc_csafUS
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
CERTFR-2026-AVI-1316Multiples vulnérabilités dans les produits MicrosoftFrançais2026-10-14vendor · certfrFR

sources

Which sources assert this record, and when.

msrc_csaf ncsc_nl certfr NVD CVE.org MITRE

published 2026-10-13modified 2026-10-14

references (1) nvd

External citations — patches, advisories, analysis.

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-100214

scry

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