CVE-2026-70169

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Race Condition in Windows Connected Devices Platform Service

Publication date: 2026-10-13

Last updated on: 2026-10-16

Assigner: Microsoft Corporation

Description

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

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-10-13

Last Modified

2026-10-16

Generated

2026-10-19

AI Q&A

2026-10-14

EPSS Evaluated

2026-10-18

NVD

CVE-2026-70169

EUVD

EUVD-2026-99190

Affected Vendors & Products

Vendor	Product	Version / Range
Microsoft	Windows	10 Version 1809 10.0.17763.0
Microsoft	Windows	10 Version 21H2 10.0.19044.0
Microsoft	Windows	10 Version 22H2 10.0.19045.0
Microsoft	Windows	11 version 23H2 10.0.22631.0
Microsoft	Windows	11 Version 23H2 10.0.22631.0
Microsoft	Windows	11 Version 24H2 10.0.26100.0
Microsoft	Windows	11 Version 25H2 10.0.26200.0
Microsoft	Windows	11 version 26H1 10.0.28000.0
Microsoft	Windows	11 Version 26H2 10.0.26300.0
Microsoft	Windows	Server 2019 10.0.17763.0
Microsoft	Windows	Server 2019 (Server Core installation) 10.0.17763.0
Microsoft	Windows	Server 2022 10.0.20348.0
Microsoft	Windows	Server 2025 10.0.26100.0
Microsoft	Windows	Server 2025 (Server Core installation) 10.0.26100.0

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-416	The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
CWE-362	The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.

Attack-Flow Graph

Executive Summary

This is a race condition vulnerability in the Windows Connected Devices Platform Service. It occurs when improper synchronization allows concurrent execution to access shared resources, enabling an authorized attacker to elevate their privileges locally.

Detection Guidance

Detecting this race condition vulnerability requires monitoring for unusual privilege escalation events in the Windows Connected Devices Platform Service. Check Windows Event Logs for Event ID 4624 (successful logons) and Event ID 4672 (special privileges assigned). Use PowerShell commands like Get-WinEvent -LogName Security | Where-Object {$_.Id -eq 4624 -or $_.Id -eq 4672} to filter relevant events. Monitor for unexpected service restarts or crashes in the CDPSvc service using sc query CDPSvc or Get-Service CDPSvc.

Impact Analysis

An attacker could exploit this to gain higher-level permissions on your system, potentially allowing them to install programs, view or delete data, or create new accounts with full user rights.

Compliance Impact

This vulnerability allows local privilege escalation via a race condition in Windows Connected Devices Platform Service. Such unauthorized privilege elevation could lead to unauthorized access to sensitive data, which may violate compliance requirements under GDPR (data protection) and HIPAA (health information security) if exploited.

Mitigation Strategies

Apply the latest security updates from Microsoft to patch the Windows Connected Devices Platform Service. Monitor Microsoft's security advisories for patches and install them promptly.

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