CVE-2026-59133 HIGH

CVE-2026-59133: Microsoft High Performance Computing (HPC) Pack Elevation of Privilege Vulnerability

Vendor Microsoft
Product Windows App Client for Windows Desktop
Weakness CWE-250
Published August 11, 2026
Last update August 20, 2026

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

August 11, 2026 CVE published
August 20, 2026 Record updated