AUGUST 28, 2026
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Case File

CVE-2026-42488

HIGH · CVSS 8.1 EPSS 0.35%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2026-06-18 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.1. See the original NVD description below for full technical details.

CVE
CVE-2026-42488
Severity
HIGH
CVSS
8.1
EPSS
0.35%

Original NVD Description

Some shadow paging errors paths will switch the page-tables without updating the currently running vCPU reference. This causes a mismatch between the loaded page-tables and the mapcache metadata which can lead to corruption of the mapcache.