7.8

CVE-2026-3780: foxit software inc. foxit pdf editor Untrusted Search Path

CVSS: 7.8v3.1HighAnalyzed
Published 01-04-2026Last modified 02-04-2026
Open JSON

Vulnerability summary

CVE-2026-3780 is a high (CVSS 7.8) Untrusted Search Path vulnerability in foxit software inc. foxit pdf editor. EPSS estimates a 0.17% chance of exploitation in the next 30 days, higher than 6.5% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
0.17%
0%100%
Low · +0.05 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 01-04-2026
    PublishedVulnerability first disclosed.
  2. 02-04-2026
    Last modifiedVulnerability information updated.

Description

The application's installer runs with elevated privileges but resolves system executables and DLLs using untrusted search paths that can include user-writable directories, allowing a local attacker to place malicious binaries with the same names and have them loaded or executed instead of the legitimate system files, resulting in local privilege escalation.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.17%

Chance of exploitation in the next 30 days

Percentile

7%

Versus all other CVEs

30-day change

+0.05 pp

From 0.12% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.17%

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≤ 13.2.2.24014 | ≥ 14.0.0.33046, ≤ 14.0.2.33402 | ≥ 2023.1.0.15510, ≤ 2023.3.0.23028 | ≥ 2024.1.0.23997, ≤ 2024.4.1.27687 | ≥ 2025.1.0.27937, ≤ 2025.3.0.35737
  • pdf_reader≤ 2025.3.0.35737
Foxit software inc.2 products

2 vendors · 4 products

References

1 links