CVE-2026-32184 Microsoft High Performance Compute (HPC) Pack Elevation of Privilege Vulnerability
An authorized attacker can elevate privileges locally via deserialization of untrusted data in Microsoft HPC Pack.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-32184?
CVE-2026-32184 is a high-severity unsafe deserialization vulnerability in Microsoft HPC Pack 2019, published on 14 Apr 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Deserialization of untrusted data in Microsoft High Performance Compute Pack (HPC) allows an authorized attacker to elevate privileges locally.
Weakness: CWE-502
Which versions are affected by CVE-2026-32184?
It affects 1 product.
Products include Microsoft Hpc Pack.
How do I fix CVE-2026-32184?
No fix has been published for CVE-2026-32184 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2026-32184 being exploited?
There is no known exploitation of CVE-2026-32184 in the wild and no public exploit code.
Other vulnerabilities in Microsoft HPC Pack 2019
Sources
Also known as GHSA-c6vr-grf8-r7qj.