Security News > 2023 > September > Microsoft September 2023 Patch Tuesday fixes 2 zero-days, 59 flaws
Today is Microsoft's September 2023 Patch Tuesday, with security updates for 59 flaws, including two actively exploited zero-day vulnerabilities.
Microsoft also shared fixes for two flaws in non-Microsoft products, Electron and Autodesk, and four Microsoft Edge vulnerabilities on September 7th. To learn more about the non-security updates released today, you can review our dedicated articles on the new Windows 11 KB5030219 cumulative update and Windows 10 KB5030211 updates released.
This month's Patch Tuesday fixes two zero-day vulnerabilities, with both exploited in attacks and one of them publicly disclosed.
Microsoft has fixed an actively exploited local privilege elevation vulnerability that allows attackers to gain SYSTEM privileges.
Below is the complete list of resolved vulnerabilities in the September 2023 Patch Tuesday updates.
Windows 11 KB5029263 cumulative update released with 27 fixes.
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