Security News > 2023 > January > Microsoft January 2023 Patch Tuesday fixes 98 flaws, 1 zero-day
Today is Microsoft's January 2023 Patch Tuesday, and with it comes fixes for an actively exploited zero-day vulnerability and a total of 98 flaws.
This is the first Patch Tuesday of 2023, and it fixes a whopping 98 vulnerabilities, with eleven of them classified as 'Critical.
Microsoft gave the vulnerabilities this severity rating as they allow remote code execution, bypass security features, or elevate privileges.
This month's Patch Tuesday fixes one zero-day vulnerability, one actively exploited and the other publicly disclosed.
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 January 2023 Patch Tuesday updates.
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