CVE-2026-59127
Windows Installer Elevation of Privilege vulnerability
MSRC advisory August 11, 2026
Alert details
- Source feed
- Microsoft MSRC
- CVE ID
- CVE-2026-59127
- Affected products
- Windows Installer Elevation of Privilege · Microsoft Windows Installer Elevation of Privilege · Microsoft
What happened
Integer overflow or wraparound in Windows Installer allows an authorized attacker to elevate privileges locally.
What it means for your business
Windows Installer Elevation of Privilege vulnerability (CVE-2026-59127) was added to Microsoft’s security update guidance. Integer overflow or wraparound in Windows Installer allows an authorized attacker to elevate privileges locally. If you need help checking exposure, call (864) 335-9223.
Sources
Related briefs
Windows Installer Elevation of Privilege vulnerability
Windows Installer Elevation of Privilege vulnerability (CVE-2026-70347) was added to Microsoft’s security update guidance. Heap-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally. If you need help checking exposure, call (864) 335-9223.
Windows Installer Elevation of Privilege vulnerability
Windows Installer Elevation of Privilege vulnerability (CVE-2026-70346) was added to Microsoft’s security update guidance. Stack-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally. If you need help checking exposure, call (864) 335-9223.
Windows Installer Elevation of Privilege vulnerability
Windows Installer Elevation of Privilege vulnerability (CVE-2026-70345) was added to Microsoft’s security update guidance. Heap-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally. If you need help checking exposure, call (864) 335-9223.
Windows Installer Elevation of Privilege vulnerability
Windows Installer Elevation of Privilege vulnerability (CVE-2026-70344) was added to Microsoft’s security update guidance. Stack-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally. If you need help checking exposure, call (864) 335-9223.
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