CVE-2026-77499
HighCVSS 7.5Summary
A type confusion vulnerability in Windows DHCP Server allows an unauthorized attacker to cause a denial of service over a network.
Risk Assessment
The attack could crash the DHCP service, preventing clients from obtaining network configuration and causing disruptions.
Recommendation
Apply vendor security patches and implement least-privilege principles in the network.
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-2026-77498High
An out-of-bounds read vulnerability in Windows DHCP Server allows an unauthorized attacker to cause a denial of service over a network.
- CVE-2026-77494High
A type confusion vulnerability in Windows DHCP Server allows an unauthorized attacker to cause a denial of service over a network.
Original NVD description (English source)
Access of resource using incompatible type ('type confusion') in Windows DHCP Server allows an unauthorized attacker to deny service over a network.