← Vulnerability feed

Vulnerability record · CVE-2026-59124 · published 11 August 2026

CVE-2026-59124: Microsoft windows app deserialization of untrusted data vulnerability

Microsoft · Windows App

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

9.8 CVSS 3.1 Critical EPSS 1.5% · top 26.2% CWE-502 · Deserialization of untrusted data
9.8CVSS 3.1 base score
1.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
16 Aug 2026Last modified by NVD

Description

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

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-59124 Vendor Advisory

Track CVE-2026-59124 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2026-59133Microsoft windows app execution with unnecessary privileges vulnerabilityExecution with unnecessary privileges in Microsoft High Performance Computing (HPC) Pack allows an authorized attacker to elevate privileges over a n…EPSS 0.91%8.8CVE-2026-47289Microsoft windows app heap-based buffer overflow vulnerabilityHeap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.EPSS 0.82%8.8CVE-2026-42985Microsoft remote desktop client use after free vulnerabilityUse after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.EPSS 0.82%8.8CVE-2025-58718Microsoft remote desktop client use after free vulnerabilityUse after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.EPSS 0.60%8.8CVE-2025-48817Microsoft remote desktop client relative path traversal vulnerabilityRelative path traversal in Remote Desktop Client allows an unauthorized attacker to execute code over a network.EPSS 0.96%8.8CVE-2025-29966Microsoft remote desktop heap-based buffer overflow vulnerabilityHeap-based buffer overflow in Windows Remote Desktop allows an unauthorized attacker to execute code over a network.EPSS 1.4%8.8CVE-2025-26645Microsoft windows 10 1507 relative path traversal vulnerabilityRelative path traversal in Remote Desktop Client allows an unauthorized attacker to execute code over a network.EPSS 3.1%8.4CVE-2024-49105Microsoft remote desktop client improper access control vulnerabilityRemote Desktop Client Remote Code Execution VulnerabilityEPSS 1.5%

Source: NIST National Vulnerability Database (record CVE-2026-59124), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.