CVE-2026-88117
HighCVSS 8.1Exploitation Probability (EPSS)
Elevated risk53th percentile - higher than 53% of all known CVEs
Summary
Use after free in Windows DHCP Server allows an unauthorized attacker to execute code over a network.
Risk Assessment
An unauthenticated attacker with network access could take control of the DHCP server, potentially leading to full system compromise and manipulation of network traffic.
Recommendation
Apply the Microsoft security update as soon as possible and restrict network access to the DHCP Server service to trusted network segments.
Other vulnerabilities in Windows DHCP Server
See all- CVE-2026-96934Critical
Windows DHCP Server is affected by a use after free vulnerability. This allows an unauthorized attacker to execute code over a network.
- CVE-2026-96320Critical
A heap-based buffer overflow in Windows DHCP Server allows an unauthorized attacker to execute code over a network. The vulnerability stems from improper handling of input data.
- CVE-2026-72979Critical
Use-after-free vulnerability in Windows DHCP Server allows an unauthorized attacker to execute code remotely over a network.
- CVE-2026-69845Critical
Heap-based buffer overflow in Windows DHCP Server allows an unauthorized attacker to execute code remotely over a network.
- CVE-2026-56159Critical
A heap-based buffer overflow in Windows DHCP Server allows an unauthorized attacker to execute code remotely over a network.
- CVE-2026-50518Critical
Heap-based buffer overflow in Windows DHCP Server allows an unauthorized attacker to execute code remotely over a network.
- CVE-2026-45602Critical
A vulnerability in Windows DHCP Server allows an unauthorized attacker to perform tampering over a network. No CWE identifier is assigned for this issue.
- CVE-2026-88171High
Double free in Windows DHCP Server allows an unauthorized attacker to execute code over a network.
- CVE-2026-88120High
Use after free in Windows DHCP Server allows an unauthorized attacker to execute code over a network.
- CVE-2026-88119High
Use after free in Windows DHCP Server allows an unauthorized attacker to execute code over a network.
Original NVD description (English source)
Use after free in Windows DHCP Server allows an unauthorized attacker to execute code over a network.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS