CVE-2026-83691
HighCVSS 7.8Summary
Heap-based buffer overflow in Windows DHCP Server allows an authorized attacker to elevate privileges locally.
Risk Assessment
An attacker could escalate privileges and take control of the system, potentially leading to full security compromise.
Recommendation
Apply the latest Windows security updates to remediate this vulnerability.
Other vulnerabilities in Windows DHCP Server
See all- CVE-2026-88171High
Double free in Windows DHCP Server allows an unauthorized attacker to execute code over a network.
- CVE-2026-88120High
Use after free in Windows DHCP Server allows an unauthorized attacker to execute code over a network.
- CVE-2026-88119High
Use after free in Windows DHCP Server allows an unauthorized attacker to execute code over a network.
- CVE-2026-88117High
Use after free in Windows DHCP Server allows an unauthorized attacker to execute code over a network.
- CVE-2026-83665High
Null pointer dereference in Windows DHCP Server allows an unauthorized attacker to deny service over a network.
- CVE-2026-70069High
Stack-based buffer overflow in Windows DHCP Server allows an authorized attacker to execute code over a network.
- CVE-2026-70066High
Use after free in Windows DHCP Server allows an authorized attacker to elevate privileges locally.
- CVE-2026-70058High
Out-of-bounds write in Windows DHCP Server allows an unauthorized attacker to execute code over a network.
- CVE-2026-69830High
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows DHCP Server allows an unauthorized attacker to execute code over a network.
- 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.
Original NVD description (English source)
Heap-based buffer overflow in Windows DHCP Server allows an authorized attacker to elevate privileges locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS