CVE-2026-46243: smb: client: reject userspace cifs.spnego descriptions
Overview
- Severity
- High (CVSS 7.8)
- CVSS Vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-Jun
- Released
- 2026-06-03
- Last Updated
- 2026-06-28
- EPSS Score
- 0.41% (percentile: 35.6%)
Detection & Weaponization (1 sources)
Maturity: Exploit
- GitHub PoC: 5 repositories
Affected Products (2)
Open Source Software
- azl3 kernel 6.6.141.1-1 on Azure Linux 3.0
- azl3 kernel 6.6.139.1-1 on Azure Linux 3.0
Revision History
- 2026-06-03: Information published.
- 2026-06-17: Information published.
- 2026-06-24: Information published.
- 2026-06-28: Information published.