What is CVE-2026-59133?

CVE-2026-59133 is a high-severity vulnerability in Microsoft Windows App Client For Desktop, 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 Windows App Client For Desktop

CVE-2026-59133

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

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.

Affected products

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)

Frequently asked questions

What is CVE-2026-59133?: CVE-2026-59133 is a high-severity vulnerability in Microsoft Windows App Client For Desktop, 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.