CVE Catalog

CVE-2026-5939

MediumCVSS 5.5
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.11%

1th percentile - higher than 1% of all known CVEs

Summary

A crafted XFA PDF can trigger a use-after-free condition during calculate event processing, causing the application to crash and resulting in arbitrary code execution. The vulnerability affects XFA processing in PDF files.

Risk Assessment

A user opening a malicious PDF may allow arbitrary code execution in the application context, potentially leading to system compromise or data leakage. The risk affects workstations that open untrusted PDF documents.

Recommendation

Update the PDF processing software to a version containing the fix. Until patched, avoid opening untrusted PDF files with XFA forms.

Related vulnerabilities

Original NVD description (English source)

A crafted XFA PDF can trigger a use-after-free condition during calculate event processing, causing the application to crash and resulting in an arbitrary code execution.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS