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Microsoft Patches

Microsoft releases several patches every month. CSW’s Patch Watch provides alerts on Microsoft's vulnerabilities and updates on the latest patches to help you stay safe.

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Jan 26, 2022

2 minutes

January 2022: Microsoft Patches 97 Security Vulnerabilities

Microsoft patched 97 unique security vulnerabilities in January 2022, including six zero-days and nine critical-rated CVEs. We analyzed these weaknesses and spotlighted the most important vulnerabilities that ought to be fixed on priority.

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Dec 30, 2021

3 minutes

December 2021: Microsoft Patches 74 Security Vulnerabilities

Microsoft patched 74 unique security vulnerabilities in December 2021, including six zero-day exploits. We analyzed these weaknesses and spotlighted the most important vulnerabilities that ought to be fixed on priority.

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Nov 25, 2021

3 minutes

November: Microsoft Patches 55 Security Vulnerabilities

Microsoft patched 55 unique security vulnerabilities in November2021. We analyzed these weaknesses and spotlighted the most important vulnerabilities that ought to be fixed on priority.

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Oct 26, 2021

3 minutes

October 2021: Microsoft Patches 74 Security Vulnerabilities

Microsoft patched 74 unique security vulnerabilities in October 2021. We analyzed these weaknesses and spotlighted the most important vulnerabilities that ought to be fixed on priority.

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Sep 21, 2021

3 minutes

September 2021: Microsoft Patches 60 Security Vulnerabilities

Microsoft patched 60 unique security vulnerabilities in September 2021. We analyzed these weaknesses and spotlighted the most important vulnerabilities that ought to be fixed on priority.

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Aug 19, 2021

3 minutes

August: Microsoft Patches 44 Security Vulnerabilities

We analyzed all 44  weaknesses and spotlighted the most important vulnerabilities that ought to be patched on priority. 

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Jul 16, 2021

3 minutes

July: Microsoft Patches 117 Security Vulnerabilities

We analyzed all 117  weaknesses and spotlighted the most important vulnerabilities that ought to be patched on priority. 

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Jun 17, 2021

3 minutes

June: Microsoft Patches 49 Security Vulnerabilities

We analyzed all 49  weaknesses and spotlighted the most important vulnerabilities that ought to be patched on priority. 

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May 24, 2021

3 minutes

May: Microsoft Patches 55 Security Vulnerabilities

We analyzed these weaknesses and spotlighted important vulnerabilities that ought to be patched on priority.

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Apr 22, 2021

3 minutes

April: Microsoft Patches 108 Security Vulnerabilities

Microsoft patched 108 unique security vulnerabilities in April 2021. We analyzed these weaknesses and spotlighted important vulnerabilities that ought to be patched on priority.

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Apr 16, 2021

3 minutes

March: Microsoft patches 89 security vulnerabilities

Microsoft patched 89 unique security vulnerabilities in March 2021. We analyzed these weaknesses and spotlighted important vulnerabilities that ought to be patched on priority.

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Apr 9, 2021

3 minutes

Nine Reasons to Patch Hafnium Vulnerabilities

On March 3, following Microsoft's release of out-of-band security patches to address multiple zero-day bugs (CVE-2021-26855, CVE-2021-26857, CVE-2021-26858, CVE-2021-27065) in on-premises versions of Microsoft Exchange Server, CISA issued an emergency directive alert mitigate product vulnerabilities.