CVE-2026-59124

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

Score

CVSS 3.1 9.8 Critical

Status

Analyzed - secure@microsoft.com

Published

2026-08-11

Last modified

2026-10-28

Weaknesses

CWE-502

Affected products

• Microsoft Hpc Pack 2019 (Microsoft)
• Windows App (Microsoft)

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-59124