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HIGH

CVE-2026-91794

CVSS v3

7.8

HIGH

EPSS Score

0.2 %

exploit probability, as of 2026-09-28

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

An out-of-bounds write vulnerability exists in the PDF rendering process of Foxit PDF Editor/Reader due to insufficient consistency and boundary validation when processing malformed color space data, which may cause the program to crash and potentially lead to remote code execution.

Technical details

Published
2026-09-23
Last Modified
2026-09-23

Frequently asked questions

What is CVE-2026-91794?

An out-of-bounds write vulnerability exists in the PDF rendering process of Foxit PDF Editor/Reader due to insufficient consistency and boundary validation when processing malformed color space data, which may cause the program to crash and potentially lead to remote code execution.

Is CVE-2026-91794 actively exploited?

Active exploitation of CVE-2026-91794 has not been confirmed. Its EPSS score was 0.2% on 2026-09-28, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-91794?

CVE-2026-91794 has a CVSS v3 base score of 7.8 (HIGH severity).

Is CVE-2026-91794 affecting your environment?

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