What is CVE-2026-59124?

CVE-2026-59124 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Microsoft High Performance Computing (HPC) Pack Remote Code Execution Vulnerability

Which CVE IDs does CVE-2026-59124 cover?

CVE-2026-59124 covers the following CVE IDs: CVE-2026-59124. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-59124?

CVE-2026-59124 has a CVSS v3 base score of 9.8, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-59124?

CVE-2026-59124 affects 1 product, including: Windows App Client for Windows Desktop.

CVE-2026-59124HighCVSS 9.8

Microsoft High Performance Computing (HPC) Pack Remote Code Execution Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

August 14, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-59124 →

📋 Description

Deserialization of untrusted data in Microsoft High Performance Computing (HPC) Pack allows an unauthorized attacker to execute code over a network.

🎯 Affected products1

Windows App Client for Windows Desktop

✅ Remediation

KBRelease Notes (Security Update) — fixed build 2.0.1314.0

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-59124
patchhttps://learn.microsoft.com/en-us/windows-app/whats-new?toc=admins%2Ftoc.json&tabs=windows