Security News > 2022 > September > Microsoft September 2022 Patch Tuesday fixes zero-day used in attacks, 63 flaws
Today is Microsoft's September 2022 Patch Tuesday, and with it comes fixes for an actively exploited Windows vulnerability and a total of 63 flaws.
Five of the 63 vulnerabilities fixed in today's update are classified as 'Critical' as they allow remote code execution, one of the most severe types of vulnerabilities.
The above counts do not include sixteen vulnerabilities fixed in Microsoft Edge before Patch Tuesday.
This month's Patch Tuesday fixes two publicly disclosed zero-day vulnerabilities, with one actively exploited in attacks.
Microsoft classifies a vulnerability as a zero-day if it is publicly disclosed or actively exploited with no official fix available.
Below is the complete list of resolved vulnerabilities and released advisories in the September 2022 Patch Tuesday updates.
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