CVE-2026-71339: Windows Installer Elevation of Privilege Vulnerability
Overview
- Severity
- N/A
- Exploit Status
- Not Exploited
- Exploitation Likelihood
- Less Likely
- Patch Tuesday
- 2026-Sep
- Released
- 2026-09-08
- Last Updated
- 2026-10-16
- EPSS Score
- 0.35% (percentile: 27.3%)
Description
Heap-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally.
FAQ
What privileges could be gained by an attacker who successfully exploited this vulnerability?
An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.
Acknowledgments
Anonymous, Unbbal, AIフィジカルインターフェイス二号機, Anonymous, Anonymous
Revision History
- 2026-09-08: Information published.
- 2026-10-16: Updated an acknowledgement. This is an informational change only.