CVE-2016-9386

—

CVSS 3.0

7.8 high

EPSS

<1%p38

Published

Jan 23, 2017 (Jan 23, 2017)

Modified

Jun 17, 2026

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.

Vendors: citrix xen
Products: xenserver, xen
Weakness: CWE-264
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.4%)

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