CVE-2026-78523

Use after free in Windows DNS allows an unauthorized attacker to execute code over a network.

A stack-based buffer overflow in Windows DNS allows an unauthorized attacker to execute code over a network.

Out-of-bounds read in Windows DNS allows an authorized attacker to deny service over a network.

Missing release of memory after effective lifetime in Windows DNS. An unauthorized attacker can exploit this to cause a denial of service over a network.

Out-of-bounds read in Windows DNS allows an authorized attacker to execute code over a network.

Uncaught exception in Windows DNS. An unauthorized attacker can deny service over a network.

Improper enforcement of behavioral workflow in Windows DNS. An unauthorized attacker can deny service over a network.

Out-of-bounds read in Windows DNS allows an authorized attacker to disclose information locally.

Use after free in Windows DNS allows an unauthorized attacker to execute code over a network.

Relative path traversal in Windows DNS allows an authorized attacker to elevate privileges locally.