Home Alerts & Advisories Alerts February 2026 Monthly Patch Monthly Patch February 2026 Monthly Patch 11 February 2026 Microsoft has released security patches to address multiple vulnerabilities in their software and products. Microsoft has released security patches to address multiple vulnerabilities in their software and products. The vulnerabilities that have been classified as Critical in severity are listed in the table below. For the full list of security patches released by Microsoft, please refer to https://msrc.microsoft.com/update-guide/en-us/releaseNote/2026-Feb Critical Vulnerabilities CVE Number CVE Name Base Score Reference CVE-2026-24300 Azure Front Door Elevation of Privilege Vulnerability 9.8 https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2026-24300 CVE-2026-24302 Azure Arc Elevation of Privilege Vulnerability 8.6 https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2026-24302 CVE-2026-21532 Azure Function Information Disclosure Vulnerability 8.2 https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2026-21532 CVE-2026-21522 Microsoft ACI Confidential Containers Elevation of Privilege Vulnerability 6.7 https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2026-21522 CVE-2026-23655 Microsoft ACI Confidential Containers Information Disclosure Vulnerability 6.5 https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2026-23655 Back to top