CVE-2026-42975: Windows Bluetooth Port Driver Remote Code Execution
Heap-based buffer overflow in Windows Bluetooth Port Driver allows an unauthorized attacker to execute code over an adjacent network.
Other sources
Windows Bluetooth Port Driver Remote Code Execution
— 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 6.2.9200.26226Patch KB5099445 - Upgrade
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Fixed in 6.3.9600.23291Patch KB5099444 - Upgrade
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Fixed in 10.0.14393.9339Patch KB5099535 - Upgrade
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Fixed in 10.0.26100.33158Patch KB5099536 - Upgrade
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Fixed in 10.0.28000.2525Patch KB5101649 - Upgrade
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Fixed in 10.0.26100.8875Patch KB5101650 - Upgrade
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Fixed in 10.0.26200.8875Patch KB5101650 - Upgrade
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Fixed in 10.0.19045.7548Patch KB5099539 - Upgrade
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Fixed in 10.0.19044.7548Patch KB5099539 - Upgrade
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Fixed in 10.0.20348.5386Patch KB5099540 - Upgrade
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Fixed in 10.0.17763.9020Patch KB5099538
Event History
Frequently Asked Questions
What is the severity of CVE-2026-42975?
The severity of CVE-2026-42975 is high, rated at 8.
How do I fix CVE-2026-42975?
To fix CVE-2026-42975, ensure that your Windows operating system and Bluetooth Port Driver are updated to the latest security patch.
What systems are affected by CVE-2026-42975?
CVE-2026-42975 affects Microsoft Windows 10, Windows 11, and various versions of Windows Server, including 2012 R2, 2012, 2016, 2019, and 2025.
What kind of vulnerability is CVE-2026-42975?
CVE-2026-42975 is classified as a heap-based buffer overflow vulnerability that can lead to remote code execution.
What potential risks does CVE-2026-42975 pose?
CVE-2026-42975 allows an unauthorized attacker to execute code over an adjacent network, posing significant security risks.