CVE-2026-44392

MEDIUMNVD 4.34.3—

4.3

Missing authorization vulnerability exists in Movable Type. Under certain conditions, when a user without administrator privileges signs in to the product, unintended update processing may be executed.

CVSS v3: 4.3
EG Score: 4.3(high)
EPSS: 8.0%
KEV: Not listed

Published

May 20, 2026

Last Modified

May 20, 2026

Advisory Details (2)

Auto-updated May 20, 2026

No patch confirmed yet.

generic

MovableType.org – News:[Security Update] Movable Type 9.0.8, 8.8.4 and 8.0.11 Released

https://movabletype.org/news/2026/05/mt-908-released.html

generic

JVN#66473735: Multiple vulnerabilities in Movable Type

https://jvn.jp/en/jp/JVN66473735/

Vendor Advisories for CVE-2026-44392(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

GHSA-98gq-cq48-6gcm
GitHub Security AdvisoriesMedium
Missing authorization vulnerability exists in Movable Type. Under certain conditions, when a user...

Frequently asked(5)

What is CVE-2026-44392?

CVE-2026-44392 is a medium vulnerability published on May 20, 2026. Missing authorization vulnerability exists in Movable Type. Under certain conditions, when a user without administrator privileges signs in to the product, unintended update processing may be executed.

When was CVE-2026-44392 disclosed?

CVE-2026-44392 was first published in the National Vulnerability Database on May 20, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-44392 actively exploited?

CVE-2026-44392 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 8.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-44392?

CVE-2026-44392 has a CVSS v3 base score of 4.3 (NVD).

How do I remediate CVE-2026-44392?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-44392, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2026-44392

📅 Published

🔄 Last Modified

📋 Advisory Details (2)