---
title: Microsoft’s March Updates Fix 61 Vulnerabilities, Including Critical Hyper-V Flaws
description: Microsoft has released its monthly security update, addressing 61 different security flaws spanning its software. The update includes fixes for two critical issues impacting Windows Hyper-V that could lead to denial-of-service (DoS) and remote code execution.
---

[Skip to content](https://blog.oitc.ca/alerts/microsofts-march-updates-fix-61-vulnerabilities-including-critical-hyper-v-flaws#main-content)

![Outsource IT Computing](https://blog.oitc.ca/hs-fs/hubfs/OITC%20Logo-1.png?width=1408&height=302&name=OITC%20Logo-1.png)Homepage

- [Services](https://oitc.ca/services)
- [Industries](https://oitc.ca/industries)
- Company
  
    - [Careers](https://oitc.ca/careers)
    - [About Us](https://oitc.ca/about)
    - [Solution Partners](https://oitc.ca/solution-partners)
    - [Community Support](https://oitc.ca/community-support)
- Resources
  
    - [Blog](https://blog.oitc.ca)
    - [Bill Payments](https://pay.oitc.ca/)
    - [VoIP 911](https://oitc.ca/v911/)
    - [Client Portal](https://portal.oitc.ca/)

[Get started](https://oitc.ca/contact/)

- [Services](https://oitc.ca/services)
- [Industries](https://oitc.ca/industries)
- Company
  
    - [Careers](https://oitc.ca/careers)
    - [About Us](https://oitc.ca/about)
    - [Solution Partners](https://oitc.ca/solution-partners)
    - [Community Support](https://oitc.ca/community-support)
- Resources
  
    - [Blog](https://blog.oitc.ca)
    - [Bill Payments](https://pay.oitc.ca/)
    - [VoIP 911](https://oitc.ca/v911/)
    - [Client Portal](https://portal.oitc.ca/)

[Get started](https://oitc.ca/contact/)

Alerts

# Microsoft’s March Updates Fix 61 Vulnerabilities, Including Critical Hyper-V Flaws

![Nathan Zych](https://7528315.fs1.hubspotusercontent-na1.net/hub/7528315/hubfs/raw_assets/public/mV0_d-cms-elevate-theme_hubspot/elevate/images/avatar-placeholder.jpg?width=48&height=48&name=avatar-placeholder.jpg)

 Nathan Zych

March 27, 2024

Microsoft has released its monthly security update, addressing 61 different security flaws spanning its software. The update includes fixes for two critical issues impacting Windows Hyper-V that could lead to denial-of-service (DoS) and remote code execution.

Of the 61 vulnerabilities, two are rated Critical, 58 are rated Important, and one is rated Low in severity. None of the flaws are listed as

Read more: [Microsoft’s March Updates Fix 61 Vulnerabilities, Including Critical Hyper-V Flaws](https://thehackernews.com/2024/03/microsofts-march-updates-fix-61.html)

[![GET UNLIMITED REMOTE AND ONSITE BUSINESS IT SUPPORT FOR A FIXED FEE](https://blog.oitc.ca/hs-fs/hubfs/Imported_Blog_Media/MSP-B-Jul-10-2025-10-19-45-5033-PM.png?width=900&name=MSP-B-Jul-10-2025-10-19-45-5033-PM.png)](https://www.oitc.ca/contact/)

[Click here to contact Outsource IT](https://www.oitc.ca/contact/)

## Share this post

<https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fblog.oitc.ca%2Falerts%2Fmicrosofts-march-updates-fix-61-vulnerabilities-including-critical-hyper-v-flaws><https://twitter.com/intent/tweet?url=https%3A%2F%2Fblog.oitc.ca%2Falerts%2Fmicrosofts-march-updates-fix-61-vulnerabilities-including-critical-hyper-v-flaws><https://www.linkedin.com/shareArticle?mini=true&url=https%3A%2F%2Fblog.oitc.ca%2Falerts%2Fmicrosofts-march-updates-fix-61-vulnerabilities-including-critical-hyper-v-flaws><https://pinterest.com/pin/create/button/?url=https%3A%2F%2Fblog.oitc.ca%2Falerts%2Fmicrosofts-march-updates-fix-61-vulnerabilities-including-critical-hyper-v-flaws>[mailto:https%3A%2F%2Fblog.oitc.ca%2Falerts%2Fmicrosofts-march-updates-fix-61-vulnerabilities-including-critical-hyper-v-flaws](mailto:https%3A%2F%2Fblog.oitc.ca%2Falerts%2Fmicrosofts-march-updates-fix-61-vulnerabilities-including-critical-hyper-v-flaws)

## Keep reading

### [Managed IT vs In-House IT: Why It’s Not Always an Either-Or Decision](https://blog.oitc.ca/managed-it-vs-in-house-it-why-its-not-always-an-either-or-decision)

### [Blog 10 Signs You’ve Outgrown Your Current IT Provider](https://blog.oitc.ca/10-signs-youve-outgrown-your-current-it-provider)

[![OITC Logo-1](https://blog.oitc.ca/hs-fs/hubfs/OITC%20Logo-1.png?width=300&height=64&name=OITC%20Logo-1.png "OITC Logo-1")](https://oitc.ca)

<https://www.linkedin.com/organization/1598823/><https://www.facebook.com/outsourceitcomputing/><https://x.com/oitc_ca>

---

[Privacy Policy](https://oitc.ca/privacy-policy/) · © 2025. All rights reserved.

```json
{
  "@context" : "https://schema.org",
  "@type" : "BlogPosting",
  "author" : {
    "@type" : "Person",
    "name" : "Nathan Zych",
    "url" : "https://blog.oitc.ca/author/nathan-zych"
  },
  "dateModified" : "2025-07-10T22:20:22.127Z",
  "datePublished" : "2024-03-27T15:11:20.000Z",
  "headline" : "Microsoft’s March Updates Fix 61 Vulnerabilities, Including Critical Hyper-V Flaws",
  "mainEntityOfPage" : {
    "@id" : "https://blog.oitc.ca/alerts/microsofts-march-updates-fix-61-vulnerabilities-including-critical-hyper-v-flaws",
    "@type" : "WebPage"
  },
  "publisher" : {
    "@type" : "Organization",
    "logo" : {
      "@type" : "ImageObject",
      "url" : "https://blog.oitc.ca/hubfs/OITC%20Logo-1.png"
    }
  }
}
```