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CVE-2023-35634: Windows Bluetooth Driver Remote Code Execution Vulnerability

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-12-12 · updated 2026-06-17
• Weakness: CWE-121

Description

Windows Bluetooth Driver Remote Code Execution Vulnerability

Affected products

• Microsoft Windows 11 21H2: before 10.0.22000.2652 — fixed in 10.0.22000.2652
• Microsoft Windows 11: before 10.0.22621.2861 — fixed in 10.0.22621.2861
• Microsoft Windows 11: before 10.0.22631.2861 — fixed in 10.0.22631.2861
• Microsoft Windows 11 21H2: from 10.0.0 before 10.0.22000.2652 — fixed in 10.0.22000.2652
• Microsoft Windows 11: from 10.0.22621.0 before 10.0.22621.2861 — fixed in 10.0.22621.2861
• Microsoft Windows 11 version 22H3: from 10.0.22631.0 before 10.0.22621.2861 — fixed in 10.0.22621.2861
• Microsoft Windows 11: from 10.0.22631.0 before 10.0.22631.2861 — fixed in 10.0.22631.2861

How to fix

Upgrade to a fixed version: Microsoft Windows 11 21H2 10.0.22000.2652; Microsoft Windows 11 10.0.22621.2861; Microsoft Windows 11 10.0.22631.2861; Microsoft Windows 11 21H2 10.0.22000.2652; Microsoft Windows 11 10.0.22621.2861; Microsoft Windows 11 version 22H3 10.0.22621.2861; Microsoft Windows 11 10.0.22631.2861. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-35634
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-35634

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