VULNERABILITY INTELLIGENCE
CVE-2026-42488
CVSS score8.1 HIGH
EPSS probability0.35%
CISA KEVNot currently listed
Published2026-06-18
Last modified2026-06-22
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
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.
Weakness classification
- 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-119