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High 7.3Published Mar 10, 2026
CVE-2026-2364CODESYS Installer TOCTOU Privilege Escalation
Updated under an hour ago ()
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It affects CODESYS Installer. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 7.3 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-367
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- CERTVDE
- NVD analysis
- Awaiting Analysis
- Record last updated
- Mar 10, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
CODESYS CODESYS Installer codesys:installer (from the name) | from 0.0.0 before 2.6.1.0 | CNA record |
References
- https://certvde.com/de/advisories/VDE-2026-012
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.