What is CVE-2026-59133?

CVE-2026-59133 is a high-severity vulnerability in Microsoft Hpc Pack 2019, classified under CWE-250. CVSS score: 8.8/10. Published 2026-08-11.

How severe is CVE-2026-59133?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Microsoft Hpc Pack 2019

CVE-2026-59133

Execution with unnecessary privileges in Microsoft High Performance Computing (HPC) Pack allows an authorized attacker to elevate privileges over a network.

Published 2026-08-11 · last modified 2026-08-28.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.009 (58.4th percentile), scored 2026-09-26.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: -0.000

Affected products

Microsoft Hpc Pack 2019
Microsoft Windows App
Microsoft Windows App Client For Desktop — versions 1.00

Weakness classification (CWE)

CWE-250

References

Microsoft High Performance Computing (HPC) Pack Elevation of Privilege Vulnerability (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-59133?: CVE-2026-59133 is a high-severity vulnerability in Microsoft Hpc Pack 2019, classified under CWE-250. CVSS score: 8.8/10. Published 2026-08-11.
How severe is CVE-2026-59133?: High severity. CVSS v3 base score is 8.8 out of 10.