VDB
CVE-2026-81572
CVE-2026-81572
PUBLISHED
CVSS 7.8 HIGH
Reported by wibu · Published August 27, 2026
In CodeMeter Runtime from version 8.40 to (excluding) 8.41a and 9.00 to (excluding) 9.10, cmu.exe --create-io --file C: creates a predictable temporary file under C:\CM-Stick. The directory and file paths are not properly checked for NTFS reparse points, such as junctions or symbolic links, before file operations are performed. A local attacker can create a junction at the temporary file that points to an arbitrary system path. Because CodeMeter Runtime runs with System privileges, this could allow arbitrary files to be deleted with System privileges and potentially enable local privilege escalation.
Risk Scores
CVSS 3.1
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| wibu-systems-ag | codemeter-runtime | 8.40, 9.00 |
| wibu-systems-ag | codemeter-runtime | 8.40, 9.00, 8.40 |
| wibu-systems-ag | codemeter-runtime | 8.40, 9.00, 8.40 |
Timeline
- Aug 27, 2026 EPSS Score
- Aug 27, 2026 Coalition ESS Score
- Aug 27, 2026 CVE Published
- Aug 28, 2026 CVE Updated