--- title: Microsoft's March Updates Address Critical Hyper-V... description: Microsoft released its monthly security update for March, addressing 61 security flaws, including critical vulnerabilities in Windows Hyper-V. Other vendors... canonical: https://daily.dev/posts/microsoft-s-march-updates-address-critical-hyper-v-vulnerabilities-and-decrease-in-patched-flaws-uockk8oir twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Microsoft's March Updates Address Critical Hyper-V Vulnerabilities and Decrease in Patched Flaws | daily.dev og:description: Microsoft released its monthly security update for March, addressing 61 security flaws, including critical vulnerabilities in Windows Hyper-V. Other vendors... og:url: https://daily.dev/posts/microsoft-s-march-updates-address-critical-hyper-v-vulnerabilities-and-decrease-in-patched-flaws-uockk8oir og:image: https://api.daily.dev/og/posts/uOCkK8OIR.png og:image:alt: Microsoft's March Updates Address Critical Hyper-V Vulnerabilities and Decrease in Patched Flaws og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Microsoft's March Updates Address Critical Hyper-V Vulnerabilities and Decrease in Patched Flaws **[Collections](https://daily.dev/sources/collections)** · 1 min read · 2 upvotes · 0 comments ## Summary Microsoft released its monthly security update for March, addressing 61 security flaws, including critical vulnerabilities in Windows Hyper-V. Other vendors have also released security updates alongside Microsoft. Regularly updating software is crucial for maintaining digital security. ## Content Microsoft has released its monthly security update for March, addressing a total of 61 security flaws. Among these vulnerabilities are critical issues found in Windows Hyper-V, which could potentially lead to privilege escalation. The update also resolves bugs in Azure Kubernetes Service, Windows Composite Image File System, and Authenticator. It's worth noting that other vendors have also released security updates alongside Microsoft's Patch Tuesday. Compared to previous years, Microsoft has disclosed fewer flaws and zero-days in the first quarter of 2024. Despite being rated as 'important' by Microsoft, some of the vulnerabilities in this update have high severity scores on the CVSS scale. Arctic Wolf, a leading cybersecurity firm, has highlighted two critical and high severity vulnerabilities—CVE-2024-21334 and CVE-2024-21407—in the March update, specifically in Open Management Infrastructure and Windows Hyper-V. Applying these security updates promptly is strongly recommended. Regularly updating software is crucial for maintaining digital security, as evident in Microsoft's February 2024 Patch Tuesday, which addressed 2 zero-days and 73 vulnerabilities. It's clear that staying up to date with patches and fixes is essential for protecting against potential cyber threats. ## Similar posts on daily.dev - [Don’t just attend KubeCon \+ CloudNativeCon, Merge Forward your experience\!](https://daily.dev/posts/don-t-just-attend-kubecon-cloudnativecon-merge-forward-your-experience--l0rpp73x8) · CNCF · 1 upvotes · 0 comments - [Announcing H2 2026 KCDs](https://daily.dev/posts/announcing-h2-2026-kcds-m96goajm1) · CNCF · 1 upvotes · 0 comments - [Two months of Open Community Groups](https://daily.dev/posts/two-months-of-open-community-groups-asf52zhbs) · CNCF · 0 upvotes · 0 comments - [CNCF Unveils Schedule for KubeCon \+ CloudNativeCon Europe 2026](https://daily.dev/posts/cncf-unveils-schedule-for-kubecon-cloudnativecon-europe-2026-ikhcoa5cb) · CNCF · 2 upvotes · 0 comments - [CNCF Debuts KubeCon \+ CloudNativeCon Japan 2026 Schedule](https://daily.dev/posts/cncf-debuts-kubecon-cloudnativecon-japan-2026-schedule-xp5pyudub) · CNCF · 1 upvotes · 0 comments --- Tags: [#security](https://daily.dev/tags/security), [#microsoft](https://daily.dev/tags/microsoft), [#azure](https://daily.dev/tags/azure) [View this post on daily.dev](https://daily.dev/posts/microsoft-s-march-updates-address-critical-hyper-v-vulnerabilities-and-decrease-in-patched-flaws-uockk8oir) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Microsoft's March Updates Address Critical Hyper-V Vulnerabilities and Decrease in Patched Flaws","url":"https://daily.dev/posts/microsoft-s-march-updates-address-critical-hyper-v-vulnerabilities-and-decrease-in-patched-flaws-uockk8oir","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/microsoft-s-march-updates-address-critical-hyper-v-vulnerabilities-and-decrease-in-patched-flaws-uockk8oir"},"datePublished":"2024-03-13T06:03:06.032Z","dateModified":"2024-03-13T20:43:09.188Z","description":"Microsoft released its monthly security update for March, addressing 61 security flaws, including critical vulnerabilities in Windows Hyper-V. 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