CVE-2026-42488 — x86: mismatched mapcache metadata
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…
Published: 2026-06-18 · CVSS: 8.1 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7