CVE-2026-69845
CriticalCVSS 9.8Summary
Heap-based buffer overflow in Windows DHCP Server allows an unauthorized attacker to execute code remotely over a network.
Risk Assessment
An attacker could exploit this to take control of the DHCP server, potentially disrupting network operations and attacking clients.
Recommendation
Apply security updates for the DHCP server and restrict access to the DHCP service to trusted network segments only.
Other vulnerabilities in Windows DHCP Server
See all- 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-2026-77890High
A type confusion vulnerability in Windows DHCP Server allows an unauthorized attacker to cause a denial of service over the network.
- CVE-2026-77889High
A type confusion vulnerability in Windows DHCP Server allows an unauthorized attacker to cause a denial of service over the network.
- CVE-2026-77888High
A type confusion vulnerability in Windows DHCP Server allows an unauthorized attacker to cause a denial of service over the network.
- CVE-2026-77886High
An out-of-bounds read in Windows DHCP Server allows an unauthorized attacker to cause a denial of service over the network.
- CVE-2026-77502High
An out-of-bounds read in Windows DHCP Server allows an unauthorized attacker to cause a denial of service over the network.
- CVE-2026-77501High
An out-of-bounds read vulnerability in Windows DHCP Server allows an unauthorized attacker to cause a denial of service over a network.
- CVE-2026-77499High
A type confusion vulnerability in Windows DHCP Server allows an unauthorized attacker to cause a denial of service over a network.
- CVE-2026-77498High
An out-of-bounds read vulnerability in Windows DHCP Server allows an unauthorized attacker to cause a denial of service over a network.
Original NVD description (English source)
Heap-based buffer overflow in Windows DHCP Server allows an unauthorized attacker to execute code over a network.