CVE-2026-105728

highpriority · track · 30OT risk · elevatedEPSS 0.010 · 62 %ileFRRUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.99% (62nd) EPSS

CVSS 7.5 · high

Is it mine?

3 products

Check your exposure

Who says so?

3 sources

fstec_bdu · msrc_csaf · certfr

EPSS · scored 2026-10-27

Improper authentication in Dynamics Business Central allows an unauthorized attacker to disclose information over a network.

remediations

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

A vendor fix is available.

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.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.5

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nprimary · secure@microsoft.com USexploitability 3.9 · impact 3.6

v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondary · FSTEC (BDU) RU

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/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: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-306USCWE-306USCWE-306USCWE-306US

affected products (3)

Products and version ranges known to be affected.

Microsoft Corp Microsoft Dynamics NAV 2018≤ 11.0.50736.0fstec_bduRU
Microsoft Microsoft Dynamics NAV 2018all versionsfixedmsrc_csafUS
Microsoft Microsoft Dynamics NAV 2018< 11.0.50736.0msrc_csafUS

advisories (2)

Vendor and ecosystem advisories describing this.

msrc_CVE-2026-105728Dynamics Business Central Information Disclosure 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

also known as (1)

Other names and identifiers for this entity.

BDU:2026-16722 fstec_bdu

sources

Which sources assert this record, and when.

fstec_bdu msrc_csaf certfr NVD CVE.org MITRE

published 2026-10-13modified 2026-10-19

references (1) nvd

External citations — patches, advisories, analysis.

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-105728

scry

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