CVE-2026-50686 Windows OLE Remote Code Execution Vulnerability

High 8.1 Published Updated

An attacker can execute arbitrary code over the network by exploiting a type confusion vulnerability in Windows OLE.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-50686?

CVE-2026-50686 is a high-severity memory corruption vulnerability in Microsoft Windows 10 1607, published on 14 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Access of resource using incompatible type ('type confusion') in Windows OLE allows an unauthorized attacker to execute code over a network.

Weakness: CWE-843

Which versions are affected by CVE-2026-50686?

It affects 12 products.

Products include Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21h2, Microsoft Windows 10 22h2, Microsoft Windows 11 24h2, Microsoft Windows 11 25h2 and 6 more.

How do I fix CVE-2026-50686?

No fix has been published for CVE-2026-50686 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-2026-50686 being exploited?

There is no known exploitation of CVE-2026-50686 in the wild and no public exploit code.

All Microsoft Windows 10 1607 vulnerabilities

Sources

Also known as GHSA-qrhv-vrqx-88v2.

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