CVE-2026-70345
Windows Installer Elevation of Privilege vulnerability
MSRC advisory August 11, 2026
Alert details
- Source feed
- Microsoft MSRC
- CVE ID
- CVE-2026-70345
- Affected products
- Windows Installer Elevation of Privilege · Microsoft Windows Installer Elevation of Privilege · Microsoft
What happened
Heap-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally.
What it means for your business
Windows Installer Elevation of Privilege vulnerability (CVE-2026-70345) 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.
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-2026-70344) 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.
Microsoft PowerShell Security Feature Bypass vulnerability
Microsoft PowerShell Security Feature Bypass vulnerability (CVE-2026-70338) was added to Microsoft’s security update guidance. Acknowledgement Updated If you need help checking exposure, call (864) 335-9223.
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