# CVE-2026-70227: Windows Device Association Service out-of-bounds read

Source: https://junglewise.ai/threats/cve-2026-70227-out-of-bounds-read-in-windows-device-association-service-allows  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-13. Updated: 2026-10-28  
License: CC BY 4.0 with a link back

CVE-2026-70227 · Severity: medium · CVSS 5.5 · Published 2026-10-13

Windows Device Association Service, a component that manages device pairing and connectivity, contains an out-of-bounds memory read vulnerability. An authorized attacker with local access could exploit this flaw to read sensitive information from the system's memory, potentially exposing credentials or private data.

Technologies: [Microsoft Windows Device Association Service](https://junglewise.ai/threats/technologies/windows-device-association-service), [Microsoft Windows 11 23h2](https://junglewise.ai/threats/technologies/windows-11-23h2), [Microsoft Windows 11 24h2](https://junglewise.ai/threats/technologies/windows-11-24h2), [Microsoft Windows 11 25h2](https://junglewise.ai/threats/technologies/windows-11-25h2), [Microsoft Windows 11 26h1](https://junglewise.ai/threats/technologies/windows-11-26h1), [Microsoft Windows 11 26h2](https://junglewise.ai/threats/technologies/windows-11-26h2), [Microsoft Windows Server 2025](https://junglewise.ai/threats/technologies/windows-server-2025). Vendors: [Microsoft](https://junglewise.ai/threats/vendors/microsoft).

## Quick answers

**Is CVE-2026-70227 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-70227 being exploited in the wild.

**How severe is CVE-2026-70227?** Medium severity, with a CVSS score of 5.5, published 13 October 2026.

**Which products and versions are affected?** Microsoft Windows Device Association Service.

**Is there a fix for CVE-2026-70227?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-70227 attacked?** It is attacked with local access.

**Am I affected by CVE-2026-70227?** Check whether you run Microsoft Windows Device Association Service, Microsoft Windows 11 23h2, Microsoft Windows 11 24h2 or one of the others listed. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

An out-of-bounds read in Windows Device Association Service allows an authenticated local attacker to access memory outside intended buffer boundaries. The vulnerability requires local code execution context or interaction with the service, exposing information that could aid further compromise. Microsoft has published security guidance; consult the official update for patched versions.

## Affected products

- Microsoft Windows Device Association Service

## References

- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70227](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70227)

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