CVE-2026-44469
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.
Published:May 26, 2026
Last Modified:May 28, 2026
EPS:May 26, 2026
EPSS Score:0.0001
CVSS Score:7.8
Affected Products
Vendor
Product
Action
Vendor
Codesys
Product
Codesys Development System
Codesys
Codesys Development System
Vendor
Codesys
Product
Development System
Codesys
Development System
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
