CVE-2024-21306 Microsoft Bluetooth Driver Spoofing Vulnerability
Attackers can spoof Bluetooth devices due to missing authentication in the Microsoft Bluetooth Driver, bypassing security controls.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2024-21306?
CVE-2024-21306 is a medium-severity authentication bypass vulnerability in Microsoft Windows 10 21h2, published on 9 Jan 2024. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Microsoft Bluetooth Driver Spoofing Vulnerability
Weakness: CWE-306
Which versions are affected by CVE-2024-21306?
It affects 7 products.
Products include Microsoft Windows 10 21h2, Microsoft Windows 10 22h2, Microsoft Windows 11 21h2, Microsoft Windows 11 22h2, Microsoft Windows 11 23h2, Microsoft Windows Server 2022 and 1 more.
How do I fix CVE-2024-21306?
No fix has been published for CVE-2024-21306 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2024-21306 being exploited?
There is no known exploitation of CVE-2024-21306 in the wild and no public exploit code.
Public exploit code: 3 proofs of concept on GitHub.
Other vulnerabilities in Microsoft Windows 10 21h2
- CVE-2025-21333 Microsoft Windows Hyper-V NT Kernel Integration VSP Heap-based Buffer Overflow
- CVE-2025-21334 Microsoft Windows Hyper-V NT Kernel Integration VSP Use-After-Free
- CVE-2025-21335 Microsoft Windows Hyper-V NT Kernel Integration VSP Use-After-Free
- CVE-2026-42904 Windows TCP/IP Elevation of Privilege Vulnerability
- CVE-2026-105733 Windows Hyper-V Remote Code Execution Vulnerability
Sources
Also known as GHSA-6fjx-3c25-3qrc.