CVE-2026-98717: KVM: x86/mmu: Bail from shadow walks if the root is invalid or a dummy

Overview

Severity

Medium (CVSS 4.7)

CVSS Vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploit Status

Not Exploited

Patch Tuesday

2026-Oct

Released

2026-10-20

Last Updated

2026-10-20

EPSS Score

0.20% (percentile: 9.3%)

Affected Products (1)

Other

• 21932-17084

Revision History

• 2026-10-20: Information published.
• 2026-10-20: Information published.