CVE-2023-21526

Summary

CVE-2023-21526 is a newly disclosed vulnerability affecting Microsoft's Netlogon protocol in certain Windows versions. This issue allows an unauthenticated attacker to request Netlogon session key information via specially crafted messages, potentially enabling downstream attacks such as pass-the-hash or pass-the-ticket attacks. Successful exploitation of this vulnerability could lead to unauthorized access to affected systems. Microsoft has released a patch to address this issue, and it is strongly recommended that organizations apply it as soon as possible to mitigate the risk. This vulnerability underscores the importance of keeping software up-to-date to protect against known cybersecurity threats.

Prevent cyber attacks with Recorded Future by prioritizing and patching critical vulnerabilities being exploited by threat actors targeting your industry. Book your demo to learn more.