A potential elevated privilege issue has been reported with InstallShield built Standalone MSI setups having multiple InstallScript custom actions configured. All supported versions (InstallShield 2023 R2, InstallShield 2022 R2 and InstallShield 2021 R2) are affected by this issue.
Published: 2025-06-12
Updated: 2025-06-12
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:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Severity: High
EPSS: 0.00014