7.8

CVE-2026-91795: foxit software inc. foxit pdf editor Untrusted Pointer Dereference

CVSS: 7.8v3.1HighAnalyzed
Published 23-09-2026Last modified 23-09-2026
Open JSON

Vulnerability summary

CVE-2026-91795 is a high (CVSS 7.8) Untrusted Pointer Dereference vulnerability in foxit software inc. foxit pdf editor. EPSS estimates a 0.08% chance of exploitation in the next 30 days, higher than 0.2% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.08%
0%100%
Low · Change unavailable
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 23-09-2026
    PublishedVulnerability first disclosed.
  2. 23-09-2026
    Last modifiedVulnerability information updated.

Description

Foxit PDF Editor/Reader's FileOpen plugin did not adequately validate certain encryption metadata in specially crafted PDF files. This could leave an internal pointer in an invalid state, resulting in chained read and write access violations and potentially enabling arbitrary code execution.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.08%

Chance of exploitation in the next 30 days

Percentile

0%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

23-09-202620-10-2026
EPSS score
0.08%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Foxit2 products
  • pdf_editor≤ 13.2.5.63482 | ≥ 14.0.0.33046, ≤ 14.0.7.33751 | ≥ 2023.1.0.15510, ≤ 2023.3.0.23028 | ≥ 2024.1.0.23997, ≤ 2024.4.1.27687 | ≥ 2025.1.0.27937, ≤ 2025.3.0.35737 | ≥ 2026.1.0.36452, ≤ 2026.2.0.39747
  • pdf_reader≤ 2026.2.0.39747
Foxit software inc.2 products

2 vendors · 4 products

References

1 links