CVE-2026-78628

CVE-2026-78628 · Improper Input Validation in the Okta Credential Provider for Windows

This page contains facts from public vulnerability sources. Check the original advisory before updating.

The Okta Credential Provider for Windows does not validate a serialized credential buffer before interpreting it as a Kerberos logon structure. The buffer size and packed string offsets are not checked. Processing a malformed buffer can cause the credential provider process to terminate unexpectedly or lead to out-of-bounds memory reads and writes, which may result in the disclosure of adjacent process memory into local system logs.

CVSS 6.0 · Medium · EPSS 0.1% · Fix available

Published

2026-10-13T20:07:37.375Z

Updated

2026-10-14T19:27:28.784Z

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