What is CVE-2026-43021?

CVE-2026-43021 is a security advisory published by Microsoft Security Response Center (MSRC). Bluetooth: hci_sync: fix leaks when hci_cmd_sync_queue_once fails

Which CVE IDs does CVE-2026-43021 cover?

CVE-2026-43021 covers the following CVE IDs: CVE-2026-43021. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

CVE-2026-43021

Bluetooth: hci_sync: fix leaks when hci_cmd_sync_queue_once fails

Vendor

Microsoft Security Response Center (MSRC)

Published

May 22, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-43021 →