Security News > 2022 > November > Microsoft November 2022 Patch Tuesday fixes 6 exploited zero-days, 68 flaws

Today is Microsoft's November 2022 Patch Tuesday, and with it comes fixes for six actively exploited Windows vulnerabilities and a total of 68 flaws.
This month's Patch Tuesday fixes six actively exploited zero-day vulnerabilities, with one being publicly disclosed.
Today, Microsoft has fixed the ProxyNotShell vulnerabilities in the KB5019758 security update for Microsoft Exchange Server 2019, 2016, and 2013.
Below is the complete list of resolved vulnerabilities and released advisories in the November 2022 Patch Tuesday updates.
Microsoft October 2022 Patch Tuesday fixes zero-day used in attacks, 84 flaws.
Microsoft September 2022 Patch Tuesday fixes zero-day used in attacks, 63 flaws.
News URL
Related news
- Microsoft February 2025 Patch Tuesday fixes 4 zero-days, 55 flaws (source)
- Patch Tuesday: Microsoft Patches Two Actively Exploited Zero-Day Flaws (source)
- Microsoft March 2025 Patch Tuesday fixes 7 zero-days, 57 flaws (source)
- Patch Tuesday: Microsoft Fixes 57 Security Flaws – Including Active Zero-Days (source)
- February's Patch Tuesday sees Microsoft offer just 63 fixes (source)
- Microsoft’s Patch Tuesday Fixes 63 Flaws, Including Two Under Active Exploitation (source)
- Choose your own Patch Tuesday adventure: Start with six zero day fixes, or six critical flaws (source)
- April 2025 Patch Tuesday forecast: More AI security introduced by Microsoft (source)
- Microsoft fixes two actively exploited zero-days (CVE-2025-21418, CVE-2025-21391) (source)
- Microsoft fixes Power Pages zero-day bug exploited in attacks (source)