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.
Metrics
Affected Vendors & Products
References
| Link | Providers |
|---|---|
| https://www.certvde.com/en/advisories/VDE-2026-055/ |
|
History
Tue, 26 May 2026 14:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Tue, 26 May 2026 08:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Codesys development System
|
|
| Vendors & Products |
Codesys development System
|
Tue, 26 May 2026 07:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | Incorrect Default Permissions in CODESYS Development System | |
| First Time appeared |
Codesys
Codesys codesys Development System |
|
| Weaknesses | CWE-276 | |
| CPEs | cpe:2.3:a:codesys:codesys_development_system:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Codesys
Codesys codesys Development System |
|
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: CERTVDE
Published: 2026-05-26T06:39:04.477Z
Updated: 2026-05-26T10:48:51.345Z
Reserved: 2026-05-06T17:08:03.356Z
Link: CVE-2026-44469
Updated: 2026-05-26T10:48:46.801Z
Status : Received
Published: 2026-05-26T08:16:22.137
Modified: 2026-05-26T08:16:22.137
Link: CVE-2026-44469
No data.