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CVE-2026-59124ImportantRevised 16 Aug

Microsoft High Performance Computing (HPC) Pack Remote Code Execution Vulnerability

MSRC advisory NVD CVE.org

Assessment

Deserialization of untrusted data in Microsoft High Performance Computing (HPC) Pack allows an unauthorized attacker to execute code over a network.

Severity
Important
CVSS base score
9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Impact
Remote Code Execution
EPSS, next 30 days
1.5%Higher than 73.8% of scored CVEs · FIRST model run 26 Sep 2026 · about EPSS
Exploitability
Exploitation More Likely
Publicly disclosed
No
Customer action
Required: apply the update
Component
Microsoft High Performance Computing (HPC) Pack
Weakness
CWE-502: Deserialization of Untrusted Data
Issued by
Microsoft
Published
11 Aug 2026 · August 2026
Last revised
16 Aug 2026Corrected the listed software in the Security Updates table. Microsoft recommends installing the security update as soon as possible.

Updates that fix it

0 KBs

No KB listed

MSRC lists no downloadable update, which usually means a service-side fix or a release-notes update. Check the MSRC advisory.

Affected products

Azure
1 affected product
  • Microsoft HPC Pack 2019
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