The severity rating is indicated in the Microsoft security bulletin as critical, important, moderate, or low.

Security vulnerabilities are rated by their severity. Security updateĪ widely released fix for a product-specific, security-related vulnerability. New product functionality that is first distributed outside the context of a product release and that is typically included in the next full product release. Software that controls the input and output of a device. Definition databases are often used to detect objects that have specific attributes, such as malicious code, phishing websites, or junk mail. Definition updateĪ widely released and frequent software update that contains additions to a product's definition database.

This article describes the standard terminology that defines the software updates for the Windows Update and Microsoft Update services.Īpplies to: Windows 10 - all editions Original KB number: 824684 Critical updateĪ widely released fix for a specific problem that addresses a critical, non-security-related bug.

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