CVE-2026-2364
CODESYS Installer TOCTOU Privilege Escalation
Description
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.
INFO
Published Date :
March 10, 2026, 7:22 a.m.
Last Modified :
March 10, 2026, 7:22 a.m.
Remotely Exploit :
No
Source :
CERTVDE
Affected Products
The following products are affected by CVE-2026-2364
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 270ccfa6-a436-4e77-922e-914ec3a9685c | ||||
| CVSS 3.1 | HIGH | MITRE-CVE |
Solution
- Update CODESYS Development System to the latest version.
- Apply vendor patches for the installer.
- Restrict user privileges for installation.
- Monitor installation processes closely.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-2364 vulnerability anywhere in the article.