CVE-2026-44392

MEDIUM EPSS 16.1%
Published May 20, 20261mo ago · Modified Jun 17, 20262w ago
5.3 CVSS 4.0
Medium
Find Similar
Published May 20, 2026 1mo ago
Last Modified Jun 17, 2026 2w ago

Description

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 Details

Base Score
5.3
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
16.1% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-862 Missing Authorization Authorization

References 3

  • jvn.jp https://jvn.jp/en/jp/JVN66473735/
  • movabletype.org https://movabletype.org/news/2026/05/mt-908-released.html
  • sixapart.jp https://www.sixapart.jp/movabletype/news/2026/05/20-1100.html

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.