PT-2026-35405 · Foxitsoftware · Foxit Pdf Editor+1

Published 2026-04-27 · Updated 2026-04-27 · CVE-2026-5943

Mitre

CVSS v3.1

7.8

High

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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.

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

CVE-2026-5943

ZDI-26-304

Affected Products

Foxit Pdf Editor

Foxit Pdf Reader

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-5943 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-26-304 · Security Note
• https://foxit.com/support/security-bulletins.html · Note
• https://twitter.com/CVEnew/status/2048852195940999284 · Twitter Post