8.8

CVE-2026-91800: foxit software inc. foxit pdf editor

CVSS: 8.8v3.1HighAnalyzed
Published 23-09-2026Last modified 23-09-2026

Vulnerability summary

CVE-2026-91800 is a high (CVSS 8.8) vulnerability in foxit software inc. foxit pdf editor. EPSS estimates a 0.10% chance of exploitation in the next 30 days, higher than 0.7% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.10%
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

A local privilege escalation vulnerability exists in the installer of Foxit PDF Editor for macOS due to insufficient validation of a user-modifiable configuration value during high-privilege upgrades. A local attacker could exploit this issue to execute arbitrary commands with root privileges.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.10%

Chance of exploitation in the next 30 days

Percentile

1%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

23-09-202621-10-2026
EPSS score
0.10%

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≤ 13.2.6.63484 | ≥ 14.0.0.68868, ≤ 14.0.7.69441 | ≥ 2023.1.0.55583, ≤ 2023.3.0.63083 | ≥ 2024.1.0.63682, ≤ 2024.4.1.66479 | ≥ 2025.1.0.66692, ≤ 2025.3.0.69570 | ≥ 2026.1.0.70169, ≤ 2026.2.0.72029
  • pdf_reader≤ 2026.2.0.72029
Foxit software inc.1 product

2 vendors · 3 products

References

1 links