CVE-2026-84014 Windows Device Association Service Elevation of Privilege Vulnerability

High 7.0 Published Updated

A heap-based buffer overflow in the Windows Device Association Service allows local attackers to elevate privileges.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-84014?

CVE-2026-84014 is a high-severity memory corruption vulnerability in Microsoft Windows 10 1607, published on 13 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Heap-based buffer overflow in Windows Device Association Service allows an authorized attacker to elevate privileges locally.

Weakness: CWE-362, CWE-122

Which versions are affected by CVE-2026-84014?

It affects 14 products.

Products include Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21h2, Microsoft Windows 10 22h2, Microsoft Windows 11 23h2, Microsoft Windows 11 24h2 and 8 more.

How do I fix CVE-2026-84014?

No fix has been published for CVE-2026-84014 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2026-84014 being exploited?

There is no known exploitation of CVE-2026-84014 in the wild and no public exploit code.

All Microsoft Windows 10 1607 vulnerabilities

Sources

Also known as GHSA-w97f-572h-pwrh.

Is CVE-2026-84014 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free