If you’ve been putting off updating your laptop or desktop PC, now is a good time to do so as Microsoft just released its December Patch Tuesday which contains fixes for 57 unique flaws including three zero-day vulnerabilities and three critical-severity bugs.

In the total 57 total flaws, 28 are privilege escalation bugs, 19 are remote code execution flaws, four are information disclosures, three are denial of service (DoS) vulnerabilities, and two are spoofing bugs. It’s a very similar list to the November Patch Tuesday which fixed 63 flaws.

Zero Day Flaws

According to Microsoft, a zero-day flaw is one that has been publicly disclosed or actively exploited while no official fix has been deployed. Bleeding Computer reports that the exploited zero-day vulnerability (tracked as CVE-2025-6

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