Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Codesys | Development System | < 3.5.22.20 |
Related Weaknesses (CWE)
References
- https://www.certvde.com/en/advisories/VDE-2026-055/Third Party Advisory
FAQ
What is CVE-2026-44469?
CVE-2026-44469 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 ra...
How severe is CVE-2026-44469?
CVE-2026-44469 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-44469?
Check the references section above for vendor advisories and patch information. Affected products include: Codesys Development System.