How to secure Exchange Server beyond the CVE-2026-62911 fix

The critical CVE-2026-62911 vulnerability allows attackers to bypass authentication in Microsoft Exchange Server, potentially granting them full control over all user mailboxes. To mitigate this risk and protect against future exploits, the article recommends using Zero Trust Network Access (ZTNA) to hide Exchange from the public internet and employing automated patch management to ensure rapid vulnerability remediation.