AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2016-7777

MEDIUM · CVSS 6.3 EPSS 0.30%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2016-10-07 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 6.3. See the original NVD description below for full technical details.

CVE
CVE-2016-7777
Severity
MEDIUM
CVSS
6.3
EPSS
0.30%

Original NVD Description

Xen 4.7.x and earlier does not properly honor CR0.TS and CR0.EM, which allows local x86 HVM guest OS users to read or modify FPU, MMX, or XMM register state information belonging to arbitrary tasks on the guest by modifying an instruction while the hypervisor is preparing to emulate it.