CVE-2025-55232 Microsoft High Performance Compute (HPC) Pack Remote Code Execution Vulnerability
An unauthorized attacker can execute code over the network via deserialization of untrusted data in Microsoft HPC Pack.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-55232?
CVE-2025-55232 is a critical unsafe deserialization vulnerability in Microsoft HPC Pack 2019, published on 9 Sep 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Deserialization of untrusted data in Microsoft High Performance Compute Pack (HPC) allows an unauthorized attacker to execute code over a network.
Weakness: CWE-502
Which versions are affected by CVE-2025-55232?
It affects 1 product.
Products include Microsoft Hpc Pack.
How do I fix CVE-2025-55232?
No fix has been published for CVE-2025-55232 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-2025-55232 being exploited?
There is no known exploitation of CVE-2025-55232 in the wild and no public exploit code.
Other vulnerabilities in Microsoft HPC Pack 2019
Sources
Also known as GHSA-w36g-ppvw-ghp6.