# CVE-2026-59124

## Summary

- **CVE ID:** CVE-2026-59124
- **Severity:** CRITICAL
- **CVSS Score:** 9.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
- **CWE:** CWE-502
- **Published:** Aug 11, 2026
- **Last Modified:** Sep 16, 2026

## Description

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

## Affected Products

- Microsoft — Windows App Client for Windows Desktop (1.00)
- Microsoft — Microsoft HPC Pack 2019 (1.0.0)

## References

- [CNA](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-59124)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 1.68%
- **EPSS Percentile:** 75.9

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._