CVE-2026-44469CWE-276

Incorrect Default Permissions in CODESYS Development System

High · published May 26, 2026

CVSS v4.0
8.5
EPSS
0%
Percentile
1.7
In the wild
Unconfirmed
What it is

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 window to replace verified files with malicious ones before installation, resulting in local privilege escalation.

The record
Technical detail
CVSS v4.0
8.5 · HIGH
Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00119 · 1.7th percentile
Weakness
CWE-276 · Incorrect Default Permissions
Published
2026-05-26T06:39Z
EPSS history
Timeline
  • 26 MAY 06:39Z
    Incorrect Default Permissions in CODESYS Development System
    cvelistv5