Kerberos Chaos: Microsoft Patches Credential Guard Glitch, But Is Your Enterprise Safe?
Microsoft resolves a glitch that caused authentication hiccups with Credential Guard on Kerberos PKINIT-enabled systems. Windows 11 and Windows Server 2025 users might have faced password woes due to this. If you’re using Windows Home, breathe easy—your passwords are safe, for now.

Hot Take:
Microsoft’s Credential Guard issue feels like the tech equivalent of a key party where no one remembered to bring their keys. If your enterprise systems were acting like they forgot how to shake hands, fear not! Redmond’s got the fix, and hopefully, your devices will stop being mistaken for digital Rip Van Winkles.
Key Points:
- Microsoft tackled authentication issues on systems using the Kerberos PKINIT protocol.
- The problem affected Windows 11 (version 24H2) and Windows Server 2025 in niche cases.
- Home devices were mostly spared due to the enterprise-centric nature of Kerberos.
- Issues arose from passwords not rotating correctly, leading to authentication failures.
- Microsoft released a fix in April 2025, with additional updates to come.
Already a member? Log in here