CVE-2026-70065
HighCVSS 7.5Exploitation Probability (EPSS)
Elevated risk66th percentile - higher than 66% of all known CVEs
Summary
Missing release of memory after effective lifetime in Windows DHCP Server allows an unauthorized attacker to deny service over a network.
Risk Assessment
An attacker could cause a denial of service on the DHCP server, potentially leading to IP address allocation failures and network disruptions.
Recommendation
Apply the latest Windows security updates and monitor the DHCP server.
Other vulnerabilities in Windows DHCP Server
See all- 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.
- CVE-2026-77889High
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)
Missing release of memory after effective lifetime in Windows DHCP Server allows an unauthorized attacker to deny service over a network.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS