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ZDI-26-741 HIGH 7.1 Published Sep 23, 2026

Foxit PDF Reader FoxitUpdater Improper Certificate Validation Local Privilege Escalation Vulnerability

Foxit

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Foxit PDF Reader. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 7.1.

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