CVE-2026-96320
CriticalCVSS 9.8Summary
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.
Risk Assessment
An attacker could remotely execute arbitrary code in the context of the DHCP service, potentially leading to server takeover and network disruption.
Recommendation
Apply the available Microsoft security updates for Windows DHCP Server and consider restricting DHCP service access from untrusted networks.
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-2026-72979Critical
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-2026-77895High
Out-of-bounds read in Windows DHCP Server allows an unauthorized attacker to deny service over a network.
- CVE-2026-77893High
An out-of-bounds read in Windows DHCP Server allows an unauthorized attacker to cause a denial of service over the network.
- CVE-2026-77891Medium
Out-of-bounds read in Windows DHCP Server allows an authenticated attacker to execute code locally.
- CVE-2026-77890High
A type confusion vulnerability in Windows DHCP Server allows an unauthorized attacker to cause a denial of service over the network.
Original NVD description (English source)
Heap-based buffer overflow in Windows DHCP Server allows an unauthorized attacker to execute code over a network.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

