CVE-2026-64597: smb: client: fix double-free in SMB2_close() replay

Overview

Severity

High (CVSS 8.6)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Aug

Released

2026-08-07

Last Updated

2026-08-14

EPSS Score

0.36% (percentile: 29.6%)

Affected Products (1)

Other

• 21474-17084

Revision History

• 2026-08-07: Information published.
• 2026-08-14: Information published.
• 2026-08-14: Information published.
• 2026-08-14: Information published.