Deserialization in Microsoft Hpc Pack 2019
CVE-2026-59124
Deserialization of untrusted data in Microsoft High Performance Computing (HPC) Pack allows an unauthorized attacker to execute code over a network.
Vulnerability class: Insecure Deserialization
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.015 (73.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 73.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.017 · newest: 0.015 · change: -0.002
Affected products
- Microsoft Hpc Pack 2019 — versions 1.0.0
- Microsoft Windows App
- Microsoft Windows App Client For Desktop — versions 1.00
Weakness classification (CWE)
References
- Microsoft High Performance Computing (HPC) Pack Remote Code Execution Vulnerability (vendor-advisory, patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-59124?
- CVE-2026-59124 is a critical-severity vulnerability in Microsoft Hpc Pack 2019, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2026-08-11.
- How severe is CVE-2026-59124?
- Critical severity. CVSS v3 base score is 9.8 out of 10.