What is CVE-2026-47643?

CVE-2026-47643 is a critical-severity vulnerability in Microsoft Azure Stack Edge, classified under External Control of File Name or Path. CVSS score: 9.8/10. Published 2026-06-09.

How severe is CVE-2026-47643?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Microsoft Azure Stack Edge

CVE-2026-47643

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

EPSS: 0.008 (51.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Microsoft Azure Stack Edge — versions 2.2.0
Microsoft Azure_stack_edge

Weakness classification (CWE)

CWE-73 — External Control of File Name or Path
CWE-610 — Externally Controlled Reference to a Resource in Another Sphere

References

secure@microsoft.com (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-47643?: CVE-2026-47643 is a critical-severity vulnerability in Microsoft Azure Stack Edge, classified under External Control of File Name or Path. CVSS score: 9.8/10. Published 2026-06-09.
How severe is CVE-2026-47643?: Critical severity. CVSS v3 base score is 9.8 out of 10.