Microsoft Patch Tuesday November 2021 - Summary

6

Bulletins

79

Patches

29

Updates

55

Vulnerabilities

7

Impacts

CVE Index for November 2021 Patch Tuesday Updates

CVE ID
Impact Component Type of update
CVE-2021-42316 Microsoft Dynamics Remote Code Execution Security update
CVE-2021-3711 Visual Studio Buffer Overflow Security update
CVE-2021-42298 Windows Defender Remote Code Execution Security update
CVE-2021-38666 Windows RDP Remote Code Execution Security update
CVE-2021-42279 Windows Scripting Memory Corruption Security update
CVE-2021-26443 Windows Virtual Machine Bus Remote Code Execution Security update
Microsoft Excel Security Feature Bypass CVE-2021-42292
Microsoft Exchange Server Remote Code Execution CVE-2021-42321
Windows Remote Desktop Protocol (RDP) Information Disclosure CVE-2021-38631
Windows Remote Desktop Protocol (RDP) Information Disclosure CVE-2021-41371
3D Viewer Remote Code Execution CVE-2021-43208
3D Viewer Remote Code Execution CVE-2021-43209

No patches released for .NET this month

Previous Patch Tuesday Updates and Fixes

7 essential vulnerability management questions answered

Microsoft Windows Patch Tuesday - Overview

What is Patch Tuesday?

Patch Tuesday, the colloquial term for Microsoft's Update Tuesday that falls on second Tuesday of every month. That is when Microsoft rolls out patch updates to improve security of Microsoft applications. Coinciding with the Patch Tuesday it is also a general trend for the roll out of patch updates for other third party applications that include Adobe and Mozilla, among many others.

When is Patch Tuesday?

The upcoming Patch Tuesday falls on December 14, 2021.

What is patching and why is it important?

Patches are nothing but pieces of software code that are written to fix a bug in a software application, that might lead to a vulnerability. Such vulnerabilities in any application are loop holes for attackers to get their hands on business critical data and information. So it is highly crucial to keep all the applications in a network updated to its latest versions. Updating applications in mobile phones and laptops also work in the same manner by preventing theft of personal data, through security flaws.

What kind of patch updates are released during Patch Tuesday?

Predominantly security patch updates of varying severity like Critical, Important, Moderate & Low are labeled and released. It is always a best practice to prioritize your patching based on the severity level mentioned.

What are CVE IDs?

CVE ID - Common Vulnerabilities and Exposure ID is a format in which each vulnerability is disclosed and cataloged in the National Vulnerability Database (NVD). You can look up for a detailed explanation of each vulnerability in the NVD with the help of CVE ID. In Patch Manager Plus you can make use of these CVE IDs to fetch the appropriate patches to deploy. You can find the CVE IDs here.

How to register for ManageEngine's Free Patch Tuesday webinar?

The upcoming Free Patch Tuesday webinar by ManageEngine is scheduled on -. You can make your registrations here

Where can I find more details about individual bulletins?

Each CVE ID listed in the CVE Index section has been linked to its security advisory.