VULNERABILITY INTELLIGENCE

CVE-2016-9386

CVSS score7.8 HIGH

EPSS probability0.45%

CISA KEVNot currently listed

Published2017-01-23

Last modified2026-06-17

Description

The x86 emulator in Xen does not properly treat x86 NULL segments as unusable when accessing memory, which might allow local HVM guest users to gain privileges via vectors involving "unexpected" base/limit values.