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Critical severity9.8NVD Advisory· Published Aug 11, 2026· Updated Aug 16, 2026

CVE-2026-59124

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 products

2

Microsoft/Windows App
cpe:2.3:a:microsoft:windows_app:*:*:*:*:*:windows:*:*
Range: <2.0.1314.0
Microsoft/High Performance Compute Pack (HPC)llm-fuzzy

Patches

Vulnerability mechanics

References

1

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-59124nvdVendor Advisory

News mentions

5

Microsoft Patch Tuesday for August 2026 — Snort rules and prominent vulnerabilities
Cisco Talos Intelligence · Aug 11, 2026
Patch Tuesday - August 2026
Rapid7 Blog · Aug 11, 2026
Microsoft Patches 398 Flaws Including a Windows Driver Zero-Day Under Active Attack
The Hacker News · Aug 11, 2026
August 2026 Patch Tuesday: Microsoft Fixes 421 CVEs, One Exploited Zero-Day
SecurityWeek · Aug 11, 2026
Microsoft Patch Tuesday Update August 2026 – 394 Vulnerabilities Fixed, Including 3 Zero-Days
Cyber Security News · Aug 11, 2026