On October 14, 2025, Microsoft released its October 2025 security update, addressing 175 newly disclosed vulnerabilities. Arctic Wolf has highlighted three vulnerabilities affecting Microsoft Windows in this security bulletin due to their potential risk.

Microsoft announced that Windows 10 has reached end of support as of October 14, 2025, meaning it will no longer receive technical assistance, feature updates, or security patches. While the operating system can still be used, Arctic Wolf strongly recommends upgrading to Windows 11 where feasible to ensure continued protection, maintained compatibility with modern applications, and avoid potential security vulnerabilities arising from unpatched operating system components.

Arctic Wolf strongly recommends that customers upgrade to the latest fixed versions.

Please follow your organization's patching and testing guidelines to minimize potential operational impact.

References

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