Microsoft’s Patch Tuesday Security Updates for November

Threat Level – Red | Vulnerability Report
Download PDF

For a detailed advisory, download the pdf file here.

For the month of November, Microsoft has reported a total of 55 vulnerabilities, 6(CVE-2021-38666, CVE-2021-26443, CVE-2021-42279, CVE-2021-42298, CVE-2021-42316, CVE-2021-3711) of which have been rated critical. Four (CVE-2021-43208, CVE-2021-43209) of these vulnerabilities have been publicly known and two (CVE-2021-42292, CVE-2021-42321) of them have been exploited in the wild. Patches of all these vulnerabilities have been published by Microsoft. This Advisory only focuses on the important 12 vulnerabilities.

Vulnerability Details

Patch Link

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-42292

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-42321

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-43208

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-43209

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-38631

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-41371

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-38666

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-26443

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-42279

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-42298

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-42316

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-3711

References

https://threatpost.com/microsoft-nov-patch-tuesday-fixes-six-zero-days-55-bugs/176143/

https://www.zerodayinitiative.com/blog/2021/11/9/the-november-2021-security-update-review

What’s new on HivePro

Get through updates and upcoming events, and more directly in your inbox

Cyber Horizons 2025

What Last Year’s Attacks Reveal About Today’s Risks

Watch the Webinar on-demand and get a FREE copy of our Cyber Horizons 2025 report.

Our Speakers
Speaker 1

Prateek Bhajanka Global Field CISO & Former Gartner Analyst Hive Pro Inc.

Speaker 2

Ankit Mani Manager Threat Intel HiveForce Labs

Speaker 3

Sreevani Tonipe Senior Threat Researcher HiveForce Labs