CVE-2026-91815
CVSS v3
7.8
HIGH
EPSS Score
0.1 %
exploit probability, as of 2026-09-28
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
Foxit PDF Editor/Reader does not perform sufficient verification of the JPEG2000 image metadata in the PDF file, which leads to out-of-bounds write in the heap buffer during decoding, potentially causing the program to crash and introducing the risk of arbitrary code execution.
Technical details
- Published
- 2026-09-23
- Last Modified
- 2026-09-23
Frequently asked questions
What is CVE-2026-91815?
Foxit PDF Editor/Reader does not perform sufficient verification of the JPEG2000 image metadata in the PDF file, which leads to out-of-bounds write in the heap buffer during decoding, potentially causing the program to crash and introducing the risk of arbitrary code execution.
Is CVE-2026-91815 actively exploited?
Active exploitation of CVE-2026-91815 has not been confirmed. Its EPSS score was 0.1% on 2026-09-28, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2026-91815?
CVE-2026-91815 has a CVSS v3 base score of 7.8 (HIGH severity).
Is CVE-2026-91815 affecting your environment?
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