What is CVE-2026-44469?

CVE-2026-44469 is a high-severity vulnerability in Codesys Development System, classified under Incorrect Default Permissions. CVSS score: 7.8/10. Published 2026-05-26.

How severe is CVE-2026-44469?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Codesys Development System

CVE-2026-44469

The affected product extracts installation files to a temporary directory with incorrect default permissions during administrative installation. A low-privileged local attacker can exploit a TOCTOU race condition with a practical time wind…

EPSS: 0.000 (1.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Codesys Development System — versions 3.0.0.0
Codesys Development_system

Weakness classification (CWE)

CWE-276 — Incorrect Default Permissions

References

info@cert.vde.com (Third Party Advisory)

Frequently asked questions

What is CVE-2026-44469?: CVE-2026-44469 is a high-severity vulnerability in Codesys Development System, classified under Incorrect Default Permissions. CVSS score: 7.8/10. Published 2026-05-26.
How severe is CVE-2026-44469?: High severity. CVSS v3 base score is 7.8 out of 10.