CVE & CISA-KEV Catalog

CVE-2026-69398

HIGH
7.0
CVSS v3
NVD

Description

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

How to fix

Remediation Available
Windows 10 Version 1809Windows
Install:KB5122876Microsoft
Windows 10 Version 21H2Windows
Install:KB5122878Microsoft
Windows 10 Version 22H2Windows
Install:KB5122878Microsoft
Windows 11 Version 23H2Windows
Install:KB5122880Microsoft
Windows 11 Version 24H2Windows
Install:KB5124008Microsoft
Windows 11 Version 25H2Windows
Install:KB5124008Microsoft
Windows 11 Version 26H1Windows
Install:KB5124012Microsoft
Windows 11 version 26H1Windows
Install:KB5124012Microsoft
Windows Server 2019Windows
Install:KB5122876Microsoft
Windows Server 2019 (Server Core installation)Windows
Install:KB5122876Microsoft
Windows Server 2022Windows
Install:KB5122882Microsoft
Windows Server 2022 (Server Core installation)Windows
Install:KB5122882Microsoft
Windows Server 2025Windows
Install:KB5122871Microsoft
Windows Server 2025 (Server Core installation)Windows
Install:KB5122871Microsoft

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal
Attack ComplexityHigh
Privileges RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Exploit Intelligence

0.19%probability of exploitation in 30 days
9thpercentile

Low risk: more likely to be exploited than 9% of all known CVEs.

References

Other references1

Related Vulnerabilities

Other CWE-362 (Race Condition) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2024-6387High8.1100%-Fix
CVE-2023-36884High7.599%KEV + RansomFix
CVE-2018-15473Medium5.399%-Fix
CVE-2024-27983High8.287%-Fix
CVE-2014-0226Medium6.886%-Fix
CVE-2016-5195High7.084%KEVFix

Common questions

How do I fix CVE-2026-69398?

Published advisories record a fix for 14 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2026-69398 being actively exploited?

Not that we know of. CVE-2026-69398 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.19% is the estimated probability that it will be exploited in the next 30 days. That is higher than 9% of all scored CVEs.

How severe is CVE-2026-69398?

CVE-2026-69398 has a CVSS v3 base score of 7.0, rated important. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2026-69398 affect?

Published advisories record a fix for Windows 10 Version 1809 (Windows), Windows 10 Version 21H2 (Windows), Windows 10 Version 22H2 (Windows), Windows 11 Version 23H2 (Windows), and 10 more. Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

Embed a live status badge for CVE-2026-69398
CVE-2026-69398 severity badge

Markdown

[![CVE-2026-69398](https://tridentstack.com/cve/badge/CVE-2026-69398.svg)](https://tridentstack.com/cve/CVE-2026-69398)

HTML

<a href="https://tridentstack.com/cve/CVE-2026-69398"><img src="https://tridentstack.com/cve/badge/CVE-2026-69398.svg" alt="CVE-2026-69398"></a>

Check your Windows endpoints for this class of vulnerability

TridentStack Control continuously scans Windows endpoints for known vulnerabilities and deploys the fixes from the same console. 200 endpoints free forever, no credit card.

Patch your fleet freeStart freeThis CVE lookup is free and always will be.

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-09-09.