Microsoft’s Patch Tuesday Security Updates for November

THREAT LEVEL: Red.

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