CVE-2026-83776: Windows Bluetooth Driver Elevation of Privilege Vulnerability
Out-of-bounds read in Microsoft Bluetooth Driver allows an unauthorized attacker to elevate privileges with a physical attack.
Other sources
Windows Bluetooth Driver Elevation of Privilege Vulnerability
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.14393.9612Patch KB5126868 - Upgrade
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Fixed in 10.0.26300.9711Patch KB5127648 - Upgrade
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Fixed in 10.0.28000.3231Patch KB5127646 - Upgrade
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Fixed in 10.0.26100.33650Patch KB5126646 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.9711Patch KB5127648 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26200.9711Patch KB5127648 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.22631.7652Patch KB5126653 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19044.7807Patch KB5126657 - Upgrade
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Fixed in 10.0.20348.5761Patch KB5126655 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.17763.9376Patch KB5126651
Event History
Frequently Asked Questions
Which systems should be prioritized for assessment?
Assess systems running the listed Windows 10, Windows 11, or Windows Server 2016, 2019, 2022, or 2025 platforms, particularly where the Microsoft Windows Bluetooth Driver is present and Bluetooth hardware is accessible.
What does an attacker need to exploit this issue?
The vulnerability is described as requiring a physical attack. No privileges or user interaction are required according to the provided severity vector.
What is the potential impact if exploitation succeeds?
An unauthorized attacker could elevate privileges. The provided vector indicates high potential impact to confidentiality, integrity, and availability.