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CVE-2026-47643 is a critical remote code execution vulnerability in Microsoft Azure Stack Edge. The issue is classified as CWE-73 (External Control of File Name or Path). According to the provided content, Azure Stack Edge improperly handles attacker-controlled file names or paths, enabling a remote, unauthorized attacker to supply a crafted file upload request with a manipulated file name or path. This can allow files to be written outside the intended directory, including overwriting or creating files elsewhere on the system, which can lead to arbitrary code execution. The CVSS v3.1 vector is AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H, indicating network-reachable exploitation with low attack complexity, no privileges, and no user interaction.
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What an attacker gets, and what they’ve been doing with it.
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No public exploit code observed for this vulnerability.
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4 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Azure Stack Edge remote code execution vulnerability with a high CVSS score of 9.8.
A remote code execution vulnerability in Azure Stack Edge caused by external control of file name or path.
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.
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Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.