CVE-2025-48815 Windows Simple Search and Discovery Protocol (SSDP) Service Elevation of Privilege Vulnerability

High 7.8 Published Updated

A type confusion flaw in the Windows SSDP service allows an authorized local attacker 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-2025-48815?

CVE-2025-48815 is a high-severity memory corruption vulnerability in Microsoft Windows 10 1507, published on 8 Jul 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Access of resource using incompatible type ('type confusion') in Windows SSDP Service allows an authorized attacker to elevate privileges locally.

Weakness: CWE-843

Which versions are affected by CVE-2025-48815?

It affects 15 products.

Products include Microsoft Windows 10 1507, Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21h2, Microsoft Windows 10 22h2, Microsoft Windows 11 22h2 and 9 more.

How do I fix CVE-2025-48815?

No fix has been published for CVE-2025-48815 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-2025-48815 being exploited?

There is no known exploitation of CVE-2025-48815 in the wild and no public exploit code.

All Microsoft Windows 10 1507 vulnerabilities

Sources

Also known as GHSA-v5gm-jx6x-2g33.

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