Microsoft October 2025 Patch Tuesday fixes 6 zero-days, 172 flaws

Published on October 14, 2025

Today is Microsoft's October 2025 Patch Tuesday, which includes security updates for 172 flaws, including six zero-day vulnerabilities. Get patching! [...]

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Windows 11 KB5066835 and KB5066793 updates released

October 14, 2025
Microsoft has released Windows 11 KB5066835 and KB5066793 cumulative updates for versions 25H2/24H2 and 23H2 to fix security vulnerabilities and issues. [...]

Microsoft: Exchange 2016 and 2019 have reached end of support

October 14, 2025
Microsoft has reminded that Exchange Server 2016 and 2019 reached the end of support and advised IT administrators to upgrade servers to Exchange Server SE or migrate to Exchange Online. [...]