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Windows Kerberos Denial of Service vulnerabilities

1 published alerts for Microsoft Windows Kerberos Denial of Service.

Microsoft MSRC

CVE-2026-42903

Windows Kerberos Denial of Service vulnerability

Windows Kerberos Denial of Service vulnerability (CVE-2026-42903) was added to Microsoft’s security update guidance. Updated an acknowledgement. This is an informational change only. PremierePC tracks MSRC advisories for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.