Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-64138

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate SID in parent security descriptor during ACL inheritance Introduce smb_validate_ntsd_sid() helper to safely validate Owner SID and Group SID inside the NT Security Descriptor (smb_ntsd) retrieved from the parent directory.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 34.6%
CVSS Severity
CVSS v3 Score 8.8
Products affected by CVE-2026-64138


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