CVE-2026-59133: Microsoft High Performance Computing (HPC) Pack Elevation of Privilege Vulnerability
Execution with unnecessary privileges in Microsoft High Performance Computing (HPC) Pack allows an authorized attacker to elevate privileges over a network.
CSIRTS triage
- What
- Execution with unnecessary privileges in HPC Pack allows privilege elevation over a network.
- Who is affected
- Authorized users on systems running Microsoft HPC Pack accessible over the network.
- Urgency
- High priority; CVSS 8.8 and allows network-based privilege escalation by authorized attackers.
- Action
- Apply Microsoft security updates immediately for HPC Pack.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-59133
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-591330.92% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 57% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-59133 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
Recent advisories for Microsoft High Performance
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- highCVE-2026-59133: Execution with unnecessary privileges in Microsoft High Performance Computing (HPC) Pack allow…nvd · 2026-08-11
- criticalCVE-2026-59124: Deserialization of untrusted data in Microsoft High Performance Computing (HPC) Pack allows an…nvd · 2026-08-11
- criticalCVE-2026-59124: Microsoft High Performance Computing (HPC) Pack Remote Code Execution Vulnerabilitymsrc · 2026-08-11
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