What is CVE-2026-31590?

CVE-2026-31590 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. KVM: SEV: Drop WARN on large size for KVM_MEMORY_ENCRYPT_REG_REGION

Which CVE IDs does CVE-2026-31590 cover?

CVE-2026-31590 covers the following CVE IDs: CVE-2026-31590. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-31590?

CVE-2026-31590 has a CVSS v3 base score of 5.5, published by Microsoft Security Response Center (MSRC).

CVE-2026-31590MediumCVSS 5.5

KVM: SEV: Drop WARN on large size for KVM_MEMORY_ENCRYPT_REG_REGION

Vendor

Microsoft Security Response Center (MSRC)

Published

June 2, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-31590 →