Linuxsecurity

Critical Update for Azure Core and CLI to Address CVE-2026-21226

First seen 20 Feb 2026, 09:17 UTC • Linuxsecurity

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A critical vulnerability, CVE-2026-21226, was published on January 13, 2026, affecting the Azure Core shared client library for Python and Microsoft Azure Command-Line Tools. Updates to version 1.38.0 have been released to address this vulnerability, with relevant patches made available on February 9 and February 11, 2026, respectively.

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2026-01-13

CVE-2026-21226 published

2026-02-09

Update to python-azure-core 1.38.0 released

2026-02-11

Update to azure-cli 1.38.0 released

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Critical Update for Azure Core and CLI to Address CVE-2026-21226

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