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CVE-2026-59124 is a remote code execution vulnerability in Microsoft High Performance Computing (HPC) Pack caused by deserialization of untrusted data. An affected HPC Pack service accepts attacker-controlled serialized input over the network and performs unsafe deserialization, allowing crafted data to influence object reconstruction and execution flow. Microsoft assessed the issue as unauthenticated, requiring no user interaction, and rated exploitation as more likely. The vulnerability is rated Important rather than Critical because HPC Pack is not installed by default, but where deployed it carries a CVSS score of 9.8 and exposes a network-reachable pre-authentication RCE condition.
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No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
8 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A critical deserialization-based remote code execution vulnerability in HPC Pack. It is significant because the content says the CVE metadata incorrectly identifies the affected product, which may cause scanners to miss exposed HPC nodes.
A remote code execution vulnerability affecting Microsoft HPC Pack.
A remote code execution vulnerability in Microsoft HPC Pack with a CVSS score of 9.8; rated Important because HPC Pack is not installed by default.
A remote code execution vulnerability in Microsoft HPC Pack.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.