High severity7.8NVD Advisory· Published Apr 27, 2026· Updated Apr 29, 2026
CVE-2026-5943
CVE-2026-5943
Description
Document structural anomalies caused inconsistencies between page element relationships and internal index states. When scripts triggered document modifications, object reference validity was not properly maintained, leading to a crash when accessing an invalid pointer during page information queries.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2Patches
Vulnerability mechanics
References
1- www.foxit.com/support/security-bulletins.htmlnvdVendor Advisory
News mentions
1- ZDI-26-304: Foxit PDF Reader AcroForm Annotation Use-After-Free Remote Code Execution VulnerabilityZero Day Initiative · Apr 27, 2026