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Case File

CVE-2014-8866

MEDIUM · CVSS 4.7 EPSS 0.43%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2014-12-01 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 4.7. It may lead to a denial-of-service condition.

CVE
CVE-2014-8866
Severity
MEDIUM
CVSS
4.7
EPSS
0.43%

Original NVD Description

The compatibility mode hypercall argument translation in Xen 3.3.x through 4.4.x, when running on a 64-bit hypervisor, allows local 32-bit HVM guests to cause a denial of service (host crash) via vectors involving altering the high halves of registers while in 64-bit mode.