Forum Discussion

Copper Contributor

Mar 14, 2026

Kerberos and the End of RC4: Protocol Hardening and Preparing for CVE‑2026‑20833

CVE-2026-20833 addresses the continued use of the RC4‑HMAC algorithm within the Kerberos protocol in Active Directory environments. Although RC4 has been retained for many years for compatibility wit...

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Copper Contributor

Mar 23, 2026

Hello,

So if we have msDS-SupportedEncryptionTypes attribute set to use RC4 for service accounts, computer accounts, and Domain Controllers it will be no impact in July 2026? Or DefaultDomainSupportedEncTypes should be set on domain controllers?