CVE-2025-58726 Windows SMB Server Elevation of Privilege Vulnerability

High 7.5 Published Updated

An authorized attacker can elevate privileges over the network due to improper access control in the Windows SMB Server.

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

What is CVE-2025-58726?

CVE-2025-58726 is a high-severity vulnerability in Microsoft Windows 10 1507, published on 14 Oct 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Improper access control in Windows SMB Server allows an authorized attacker to elevate privileges over a network.

Weakness: CWE-284

Which versions are affected by CVE-2025-58726?

It affects 16 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 10 more.

How do I fix CVE-2025-58726?

No fix has been published for CVE-2025-58726 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-58726 being exploited?

There is no known exploitation of CVE-2025-58726 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

All Microsoft Windows 10 1507 vulnerabilities

Sources

Also known as GHSA-929j-57v4-m4wf.

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