Another important update round for this month’s Patch Tuesday. Microsoft has patched a total of 63 vulnerabilities in its operating systems. Five of these vulnerabilities qualify as zero-days, with three listed as being actively exploited. Microsoft considers a vulnerability to be a zero-day if it is publicly disclosed or actively exploited with no official fix available.
The Common Vulnerabilities and Exposures (CVE) database lists publicly disclosed computer security flaws. The zero-days patched in these updates are listed as: