CVE-2026-5165

A flaw was found in virtio-win, specifically within the VirtIO Block (BLK) device. When the device undergoes a reset, it fails to properly manage memory, resulting in a use-after-free vulnerability. This issue could allow a local attacker to corrupt system memory, potentially leading to system instability or unexpected behavior.

• CWE-825

• https://access.redhat.com/security/cve/CVE-2026-5165Vendor Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=2453015Issue Tracking, Vendor Advisory
• https://github.com/virtio-win/kvm-guest-drivers-windows/pull/1493Issue Tracking

Published

Mar 30, 2026

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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