Overview
What is CVE-2026-61920?
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows DNS allows an authorized attacker to execute code over a network.
Vulnerability intelligence
CVE-2026-61920 and is rated Medium severity with a CVSS score of 6.6. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows DNS allows an authorized attacker to execute code over a network.