CVE-2026-3805: use after free in SMB connection reuse

Overview

Severity
High (CVSS 7.5)
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploit Status
Not Exploited
Patch Tuesday
2026-Mar
Released
2026-03-13
EPSS Score
0.04% (percentile: 11.4%)

Affected Products (4)

Open Source Software

  • azl3 mysql 8.0.45-1 on Azure Linux 3.0
  • azl3 rust 1.75.0-25 on Azure Linux 3.0
  • azl3 rust 1.90.0-4 on Azure Linux 3.0
  • cbl2 mysql 8.0.45-2 on CBL Mariner 2.0

Revision History

  • 2026-03-13: Information published.