CVE-2026-47643: Azure Stack Edge Remote Code Execution Vulnerability

criticalCVSS 9.8CVE-2026-47643

External control of file name or path in Azure Stack Edge allows an unauthorized attacker to execute code over a network.

CSIRTS triage

vendor: Microsoft product: Azure Stack Edge Remote code execution

What: External control of file name or path allows an unauthorized attacker to execute code.
Who is affected: Deployments of Azure Stack Edge are affected.
Urgency: Remediation is critical due to the high severity of remote code execution.
Action: Apply the latest security patch for Azure Stack Edge.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity: critical — CVSS 9.8
Published: 2026-06-09
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47643

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-2026-476430.75% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 51% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-47643	coverage & exploitation status	NVD · CVE.org

Recent advisories for Azure Stack Edge

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-2026-41098: Azure Stack Edge Spoofing Vulnerabilitymsrc · 2026-06-09