Security News > 2023 > May > Microsoft May 2023 Patch Tuesday fixes 3 zero-days, 38 flaws
Today is Microsoft's May 2023 Patch Tuesday, and security updates fix three zero-day vulnerabilities and a total of 38 flaws.
Today's Patch Tuesday is one of the smallest in terms of resolved vulnerabilities, with only thirty-eight vulnerabilities fixed, not including eleven Microsoft Edge vulnerabilities fixed last week, on May 5th. Three zero-days fixed.
This month's Patch Tuesday fixes three zero-day vulnerabilities, with two exploited in attacks and another publicly disclosed.
Microsoft classifies a vulnerability as a zero-day if it is publicly disclosed or actively exploited with no official fix available.
With today's Patch Tuesday, Microsoft fixed the vulnerability used by the bootkit but has not enabled it by default.
Below is the complete list of resolved vulnerabilities in the May 2023 Patch Tuesday updates.
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