CVE-2026-83776 Windows Bluetooth Driver Elevation of Privilege Vulnerability

Medium 6.8 Published Updated

An attacker with physical access can exploit an out-of-bounds read in the Windows Bluetooth driver to elevate privileges.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-83776?

CVE-2026-83776 is a medium-severity memory corruption vulnerability in Microsoft Windows 10 Version 1607, published on 13 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Out-of-bounds read in Microsoft Bluetooth Driver allows an unauthorized attacker to elevate privileges with a physical attack.

Weakness: CWE-125

Which versions are affected by CVE-2026-83776?

How do I fix CVE-2026-83776?

No fix has been published for CVE-2026-83776 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2026-83776 being exploited?

There is no known exploitation of CVE-2026-83776 in the wild and no public exploit code.

Sources

Also known as GHSA-828w-jxhg-wv96.

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