What is CVE-2026-64396?

CVE-2026-64396 is a security advisory published by Microsoft Security Response Center (MSRC). ksmbd: fix UAF of struct file_lock in SMB2_LOCK deferred-lock cancellation

Which CVE IDs does CVE-2026-64396 cover?

CVE-2026-64396 covers the following CVE IDs: CVE-2026-64396. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

CVE-2026-64396

ksmbd: fix UAF of struct file_lock in SMB2_LOCK deferred-lock cancellation

Vendor

Microsoft Security Response Center (MSRC)

Published

July 27, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-64396 →