CVE-2026-85336: Microsoft Windows Device Association Service out-of-bounds read

CVE-2026-85336 · Severity: medium · CVSS 5.5 · Published 2026-10-13

Microsoft Windows Device Association Service, which manages connections between devices and PCs, contains an out-of-bounds memory read vulnerability. An authorized local attacker could exploit this to read sensitive information from system memory. This could lead to disclosure of credentials, encryption keys, or other confidential data stored in memory.

Technologies: Microsoft Windows Device Association Service. Vendors: Microsoft.

Quick answers

Is CVE-2026-85336 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-85336 being exploited in the wild.
How severe is CVE-2026-85336?
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-2026-85336?
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-2026-85336 attacked?
It is attacked with local access, in a hosted service.
Am I affected by CVE-2026-85336?
Check whether you run Microsoft Windows Device Association Service. 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 vulnerability exists in the Windows Device Association Service, allowing an authorized local attacker to read memory outside intended buffer boundaries. The vulnerability requires local access and prior authentication to trigger. Successful exploitation results in information disclosure from system memory.

Affected products

  • Microsoft Windows Device Association Service

Timeline

  • 2026-10-13: disclosed

References

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