CVE-2026-53752 docx4j - Denial of Service

docx4j prior to 11.5.14 contains a denial of service caused by unbounded recursion in PropertyResolver due to cyclic w:basedOn style inheritance, letting attackers terminate worker threads, exploit requires processing untrusted DOCX files.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.63% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Denial of Service
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
14 September 2026
Updated
15 October 2026
Weakness
CWE-674

Vendor fix

Update to version 11.5.14 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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