What is CVE-2026-5938?

CVE-2026-5938 is a medium-severity vulnerability in Foxit Pdf Editor, classified under CWE-691. CVSS score: 5.5/10. Published 2026-04-27.

How severe is CVE-2026-5938?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Foxit Pdf Editor

CVE-2026-5938

Improper control flow management allows a crafted document action chain to cause modal dialog reentry on the main thread, resulting in UI freeze and denial of service.

Published 2026-04-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.001 (3.6th percentile), scored 2026-10-20.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 3.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000

Affected products

Foxit Pdf Editor
Foxit Pdf Reader
Foxit Software Inc. Pdf Editor — versions Versions 2026.1 and earlier, Versions 14.0.3 and earlier, Versions 13.2.3 and earlier
Foxit Software Inc. Pdf Reader — versions Versions 2026.1 and earlier

Weakness classification (CWE)

CWE-691

References

14984358-7092-470d-8f34-ade47a7658a2 (Vendor Advisory)

Frequently asked questions

What is CVE-2026-5938?: CVE-2026-5938 is a medium-severity vulnerability in Foxit Pdf Editor, classified under CWE-691. CVSS score: 5.5/10. Published 2026-04-27.
How severe is CVE-2026-5938?: Medium severity. CVSS v3 base score is 5.5 out of 10.