CVE-2026-58627
HighCVSS 7.5Exploitation Probability (EPSS)
Elevated risk55th percentile - higher than 55% of all known CVEs
Summary
An unauthorized attacker can cause uncontrolled resource consumption in the Windows DHCP Server, leading to a denial of service (DoS) over the network. The vulnerability stems from a lack of limits in processing certain DHCP requests.
Risk Assessment
An attacker can remotely overload the DHCP server, preventing clients from obtaining IP addresses and other network configurations, resulting in network outages and loss of connectivity for users.
Recommendation
Apply the security update provided by Microsoft for Windows DHCP Server immediately. Until the patch is installed, monitor DHCP traffic and implement firewall rules to restrict access to the server.
Other vulnerabilities in Windows DHCP Server
See all- 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-2026-62823High
Heap-based buffer overflow in Windows DHCP Server allows an unauthorized attacker to execute code over an adjacent network.
- CVE-2026-62814Medium
Integer underflow (wrap or wraparound) in Windows DHCP Server allows an unauthorized attacker to disclose information over an adjacent network.
- CVE-2026-62812High
Improper link resolution before file access ('link following') in Windows DHCP Server allows an authorized attacker to elevate privileges locally.
- CVE-2026-62807High
Improper link resolution before file access ('link following') in Windows DHCP Server allows an authorized attacker to elevate privileges locally.
- CVE-2026-62803High
Improper link resolution before file access in Windows DHCP Server allows an authorized attacker to elevate privileges locally.
- CVE-2026-62776High
Improper link resolution before file access ('link following') in Windows DHCP Server allows an authorized attacker to elevate privileges locally.
- CVE-2026-62761High
Improper link resolution before file access ('link following') in Windows DHCP Server allows an authorized attacker to elevate privileges locally.
Original NVD description (English source)
Uncontrolled resource consumption in Windows DHCP Server allows an unauthorized attacker to deny service over a network.