CVE-2023-21703: Microsoft azure data box gateway deserialization of untrusted data vulnerability

Microsoft · Azure Data Box Gateway

Azure Data Box Gateway Remote Code Execution Vulnerability

7.2 CVSS 3.1 High EPSS 1.5% · top 27.4% CWE-502 · Deserialization of untrusted data

7.2CVSS 3.1 base score

1.5%EPSS exploitation probability, 30 days

NoNot in CISA KEV

2Affected product versions listed by NVD

2References

19 Aug 2026Last modified by NVD

Description

Azure Data Box Gateway Remote Code Execution Vulnerability

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

Affected products

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

Azure Data Box Gateway Microsoft

Azure Stack Edge Microsoft

References

Link	Tags
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21703	PatchVendor Advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21703	PatchVendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2023-21703), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.