CVE-2026-64389 | Linux Kernel up to 6.18.39/7.1.3 Ksmbd ksmbd_auth_ntlmv2 access control
A vulnerability has been found in Linux Kernel up to 6.18.39/7.1.3 and classified as very critical. Affected is the function ksmbd_auth_ntlmv2 of the component Ksmbd. This manipulation causes improper access controls.
The identification of this vulnerability is CVE-2026-64389. It is possible to initiate the attack remotely. There is no exploit available.
The affected component should be upgraded.