Vulnerability · Published Apr 27, 2026 · Assigned by Foxit

CVE-2026-5937Foxit PDF Editor/Reader's insufficient parameter validation leads to denial-of-service vulnerability

Medium 5.5

In plain English

A medium-severity security flaw in Foxit PDF Editor from Foxit Software Inc.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 1% of all known vulnerabilities).

Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.1%top 99.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Insufficient parameter verification leads to the occurrence of format errors in files, which will trigger an unhandled "std::invalid_argument" exception, ultimately causing the program to terminate.

Affected products (as reported)

VendorProductVersions
Foxit Software Inc. Foxit PDF Editor Versions 2026.1 and earlierVersions 14.0.3 and earlierVersions 13.2.3 and earlier
Foxit Software Inc. Foxit PDF Reader Versions 2026.1 and earlier

Weakness: CWE-248 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References