CVE-2026-88240
Windows DHCP Client Elevation of Privilege vulnerability
MSRC advisory November 10, 2026
Alert details
- Source feed
- Microsoft MSRC
- CVE ID
- CVE-2026-88240
- Affected products
- Windows DHCP Client Elevation of Privilege · Microsoft Windows DHCP Client Elevation of Privilege · Microsoft
What happened
Heap-based buffer overflow in Windows DHCP Client allows an authorized attacker to elevate privileges over an adjacent network.
What it means for your business
Windows DHCP Client Elevation of Privilege vulnerability (CVE-2026-88240) was added to Microsoft’s security update guidance. Heap-based buffer overflow in Windows DHCP Client allows an authorized attacker to elevate privileges over an adjacent network. If you need help checking exposure, call (864) 335-9223.
Sources
Related briefs
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