CVE-2026-78628 — Improper Input Validation in the Okta Credential Provider for Windows
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…
Published: 2026-10-13 · CVSS: 6.0 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7