CVE-2026-97563: smb: client: reject out-of-bounds DataOffset in CIFSSMBRead()

Overview

Severity

High (CVSS 7.3)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Sep

Released

2026-09-27

EPSS Score

0.19% (percentile: 7.7%)

Affected Products (1)

Other

• 21932-17084

Revision History

• 2026-09-27: Information published.