CVE-2026-69858 – Windows DNS Server Remote Code Execution Vulnerability
CVSS 8.1
IMPORTANT
Critical - Same Day Deployment
“A malicious network packet could turn a DNS service into a path for remote code execution, with no authentication or user interaction required.”
CVE-2026-69858 is a critical use-after-free vulnerability in Windows DNS Server. An unauthenticated attacker could send a specially crafted packet to an affected service over the network and, if exploitation succeeds, execute code on the target system. Exploitation requires winning a race condition, making attack complexity high. The vulnerability is not publicly disclosed and is not known to be exploited.
Key Details
- Attack Vector
- Network
- Attack Complexity
- High
- Privileges Required
- None
- User Interaction
- None
- CWE Classification
- CWE-416
Patch this CVE on all your endpoints in under 5 minutes.
First 200 endpoints are free forever, scale as needed.