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Multiple Bluetooth Vulnerabilities Addressed in Recent Microsoft Updates

First seen 9 Dec 2025, 10:52 UTC •Api.Msrc.Microsoft •48

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Microsoft has published information on two critical Bluetooth vulnerabilities: CVE-2025-40309 and CVE-2025-39981. The first vulnerability involves a use-after-free (UAF) issue in the SCO connection handling, while the second addresses possible UAFs in the MGMT protocol. Affected systems include those utilizing Bluetooth technology.

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