What is CVE-2026-23401?

CVE-2026-23401 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. KVM: x86/mmu: Drop/zap existing present SPTE even when creating an MMIO SPTE

Which CVE IDs does CVE-2026-23401 cover?

CVE-2026-23401 covers the following CVE IDs: CVE-2026-23401. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-23401?

CVE-2026-23401 has a CVSS v3 base score of 8.4, published by Microsoft Security Response Center (MSRC).

CVE-2026-23401HighCVSS 8.4

KVM: x86/mmu: Drop/zap existing present SPTE even when creating an MMIO SPTE

Vendor

Microsoft Security Response Center (MSRC)

Published

June 2, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-23401 →