Potential privilege escalation issue in Revenera InstallShield version 2023 R1 running a renamed Setup.exe on Windows. When a local administrator executes a renamed Setup.exe, the MPR.dll may get loaded from an insecure location and can result in a privilege escalation. The issue has been fixed in versions 2023 R2 and later.
Published: 2025-10-29
Updated: 2025-10-30
Base Score: 7.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: High
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical
Base Score: 7.3
Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Severity: High
EPSS: 0.00014