What is CVE-2026-64456?

CVE-2026-64456 is a security advisory published by Microsoft Security Response Center (MSRC). hwrng: virtio: clamp device-reported used.len at copy_data()

Which CVE IDs does CVE-2026-64456 cover?

CVE-2026-64456 covers the following CVE IDs: CVE-2026-64456. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

CVE-2026-64456

hwrng: virtio: clamp device-reported used.len at copy_data()

Vendor

Microsoft Security Response Center (MSRC)

Published

July 27, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-64456 →