CVE-2026-2364CWE-367

CODESYS Installer TOCTOU Privilege Escalation

High · published March 10, 2026

CVSS v3.1
7.3
EPSS
0%
Percentile
0.3
In the wild
Unconfirmed
What it is

If a legitimate user confirms a self-update prompt or initiate an installation of a CODESYS Development System, a low privileged local attacker can gain elevated rights due to a TOCTOU vulnerability in the CODESYS installer.

The record
Technical detail
CVSS v3.1
7.3 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00088 · 0.3th percentile
Weakness
CWE-367 · Time-of-check Time-of-use (TOCTOU) Race Condition
Published
2026-03-10T07:22Z
EPSS history
Timeline
  • 10 MAR 07:22Z
    CODESYS Installer TOCTOU Privilege Escalation
    cvelistv5