CVE-2026-83868

HighCVSS 7.0/10Last modified Oct 29, 2026

Description

Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Bluetooth Driver allows an authorized attacker to elevate privileges locally.

Metrics

CVSS 3.1 7.0/10CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-362

Affected software

Vendor	Product	Versions
Microsoft	Windows 10 Version 1809	>= 10.0.17763.0, < 10.0.17763.9376
Microsoft	Windows 10 Version 21H2	>= 10.0.19044.0, < 10.0.19044.7807
Microsoft	Windows 10 Version 22H2	>= 10.0.19045.0, < 10.0.19045.7807
Microsoft	Windows 11 version 23H2	>= 10.0.22631.0, < 10.0.22631.7652
Microsoft	Windows 11 Version 23H2	>= 10.0.22631.0, < 10.0.22631.7652
Microsoft	Windows 11 Version 24H2	>= 10.0.26100.0, < 10.0.26100.9711
Microsoft	Windows 11 Version 25H2	>= 10.0.26200.0, < 10.0.26200.9711
Microsoft	Windows 11 version 26H1	>= 10.0.28000.0, < 10.0.28000.3231
Microsoft	Windows 11 Version 26H2	>= 10.0.26300.0, < 10.0.26300.9711
Microsoft	Windows Server 2019	>= 10.0.17763.0, < 10.0.17763.9376
Microsoft	Windows Server 2019 (Server Core installation)	>= 10.0.17763.0, < 10.0.17763.9376
Microsoft	Windows Server 2022	>= 10.0.20348.0, < 10.0.20348.5761
Microsoft	Windows Server 2025	>= 10.0.26100.0, < 10.0.26100.33650
Microsoft	Windows Server 2025 (Server Core installation)	>= 10.0.26100.0, < 10.0.26100.33650

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83868Vendor Advisory

Timeline

Published: Oct 13, 2026
Last modified: Oct 29, 2026
NVD status: Analyzed

Related CVEs from 2026

CVE-2026-838699.8Integer underflow (wrap or wraparound) in DNS Server allows an unauthorized attacker to execute code over a network.CVE-2026-83872.4A vulnerability in allegroai/clearml versions up to and including 1.16.5 allows for relative path traversal when extracting `.zip` archives CVE-2026-838705.5Out-of-bounds read in Windows Aggregated Data Platform Service allows an authorized attacker to disclose information locally.CVE-2026-838717.0Heap-based buffer overflow in OpenSSH for Windows allows an authorized attacker to elevate privileges locally.CVE-2026-838727.8Incorrect conversion between numeric types in Windows TCP/IP allows an authorized attacker to elevate privileges locally.CVE-2026-838737.8Relative path traversal in Windows Shell allows an authorized attacker to elevate privileges locally.CVE-2026-838748.8Heap-based buffer overflow in Windows Event Tracing allows an unauthorized attacker to execute code over a network.CVE-2026-838755.5Out-of-bounds read in HID Parser Library allows an authorized attacker to disclose information locally.CVE-2026-838767.8Use after free in Windows Shell allows an authorized attacker to elevate privileges locally.CVE-2026-838777.8Integer overflow or wraparound in HID Parser Library allows an authorized attacker to elevate privileges locally.CVE-2026-838797.0Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Overlay Filter allows an authorized a CVE-2026-83886.5Incorrect boundary conditions in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36,