High severity · published May 26, 2026
CVE-2026-44468
Incorrect Default Permissions in CODESYS Development System
7.8
CVSS
0.1%
EPSS
No
On KEV
Description
The affected product creates a directory with insecure default permissions during administrative installation. This allows a low-privileged local attacker to modify a temporary file defining the components to be installed, enabling local privilege escalation by forcing the deployment of arbitrary components.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 2% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CD
CODESYS Development System · CODESYS
3.0.0.0 before 3.5.22.20 · source: vendor
DS
Development System · Codesys
before 3.5.22.20 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-44468
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-44468
Third Party Advisory
https://www.certvde.com/en/advisories/VDE-2026-055/
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