CVE-2026-59133 Microsoft High Performance Computing (HPC) Pack Elevation of Privilege Vulnerability
An authorized attacker can elevate privileges over the network in Microsoft HPC Pack due to execution with unnecessary privileges.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-59133?
CVE-2026-59133 is a high-severity vulnerability in Microsoft HPC Pack 2019, published on 11 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Execution with unnecessary privileges in Microsoft High Performance Computing (HPC) Pack allows an authorized attacker to elevate privileges over a network.
Weakness: CWE-250
Which versions are affected by CVE-2026-59133?
It affects 1 product.
Products include Microsoft Windows App.
How do I fix CVE-2026-59133?
No fix has been published for CVE-2026-59133 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-59133 being exploited?
There is no known exploitation of CVE-2026-59133 in the wild and no public exploit code.
Other vulnerabilities in Microsoft HPC Pack 2019
- CVE-2026-59124 Microsoft High Performance Computing (HPC) Pack Remote Code Execution Vulnerability
- CVE-2020-0919 Privilege escalation in Microsoft Remote Desktop for Mac
- CVE-2026-69550 Windows App for Mac Information Disclosure Vulnerability
- CVE-2026-23656 Windows App Installer Spoofing Vulnerability
- CVE-2026-21517 Windows App for Mac Installer Elevation of Privilege Vulnerability
Sources
Also known as GHSA-8h97-p2pm-gjpw.