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

1

Microsoft/High Performance Compute Pack (HPC)llm-fuzzy

Patches

Vulnerability mechanics

References

1

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

News mentions

2

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