A potential privilege escalation issue was identified in InstallShield version 2025 R2 and earlier when running compressed Basic MSI setup with Prerequisites from an insecure location. If a local administrator launches a compressed Setup.exe with Prerequisites from an unsecured location, the Prerequisite installers also might load from an unsecured location, potentially leading to privilege escalation.
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Fixes
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References
History
Tue, 13 Oct 2026 14:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | A potential privilege escalation issue was identified in InstallShield version 2025 R2 and earlier when running compressed Basic MSI setup with Prerequisites from an insecure location. If a local administrator launches a compressed Setup.exe with Prerequisites from an unsecured location, the Prerequisite installers also might load from an unsecured location, potentially leading to privilege escalation. | |
| Title | Potential Privilege Escalation in InstallShield | |
| Weaknesses | CWE-426 | |
| References |
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| Metrics |
cvssV4_0
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Status: PUBLISHED
Assigner: flexera
Published:
Updated: 2026-10-13T15:49:47.206Z
Reserved: 2026-03-25T20:37:08.484Z
Link: CVE-2026-4869
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Status : Received
Published: 2026-10-13T15:17:44.480
Modified: 2026-10-13T15:17:44.480
Link: CVE-2026-4869
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OpenCVE Enrichment
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Weaknesses