What is CVE-2026-57089?

CVE-2026-57089 is a security advisory published by Microsoft Security Response Center (MSRC). Windows SMB Server Network Transport Driver (srvnet.sys) Remote Code Execution Vulnerability

Which CVE IDs does CVE-2026-57089 cover?

CVE-2026-57089 covers the following CVE IDs: CVE-2026-57089. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

CVE-2026-57089

Windows SMB Server Network Transport Driver (srvnet.sys) Remote Code Execution Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

July 17, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-57089 →

📋 Description

Use after free in Windows SMB Server Network Transport Driver (srvnet.sys) allows an unauthorized attacker to execute code over a network.

🔗 References (1)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57089