Vulnerability · Published Aug 11, 2026 · Assigned by microsoft
CVE-2026-59133Microsoft High Performance Computing (HPC) Pack Elevation of Privilege Vulnerability
High 8.8
In plain English
A high-severity security flaw in Microsoft HPC Pack 2019 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 60% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.9%top 39.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Execution with unnecessary privileges in Microsoft High Performance Computing (HPC) Pack allows an authorized attacker to elevate privileges over a network.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft HPC Pack 2019 | 1.0.0 – before 6.3.8359 |
Weakness: CWE-250 · 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
References
- Microsoft High Performance Computing (HPC) Pack Elevation of Privilege Vulnerability vendor-advisory, patch