CVE-2026-0031: In multiple functions of mem_protect.c, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
Overview
- Severity
- High (CVSS 8.4)
- CVSS Vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-Mar
- Released
- 2026-03-07
- EPSS Score
- 0.02% (percentile: 4.3%)
Affected Products (2)
Open Source Software
- cbl2 hyperv-daemons 5.15.200.1-1 on CBL Mariner 2.0
- azl3 hyperv-daemons 6.6.126.1-1 on Azure Linux 3.0
Revision History
- 2026-03-07: Information published.