CVE-2026-93786: ksmbd: preserve VFS inherited POSIX ACL mask

Overview

Severity

High (CVSS 8.1)

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Exploit Status

Not Exploited

Patch Tuesday

2026-Sep

Released

2026-09-27

EPSS Score

0.33% (percentile: 23.6%)

Affected Products (1)

Other

• 21932-17084

Revision History

• 2026-09-27: Information published.