Authenticated remote code execution in Microsoft Dynamics Business Central — widely used Microsoft enterprise product; allows full system compromise and business disruption if exploited.
CVE-2026-100214
Authenticated RCE via deserialization in Microsoft Dynamics Business Central
Is CVE-2026-100214 being exploited?
Not confirmed. CVE-2026-100214 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 1.8% probability of exploitation in the next 30 days.
How severe is CVE-2026-100214?
CVE-2026-100214 is rated High with a CVSS score of 8.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-100214?
Yes. A fix has been recorded for CVE-2026-100214. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-100214 affect?
CVE-2026-100214 affects Microsoft Dynamics Business Central. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-100214?
Apply Microsoft's security update immediately; restrict access and monitor Business Central logs.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated network RCE via deserialization; attacker can run arbitrary code, gain system control, pivot, and exfiltrate data.
Patch when possible
- affected>= 1.0 and < 30713
- affected>= 1.0 and < 11.0.50736.0
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.