Microsoft Patch Tuesday for January 2023 — Snort rules and prominent vulnerabilities

Microsoft released its monthly security update on Tuesday, disclosing 98 vulnerabilities. Of these vulnerabilities, 11 are classified as “Critical”, 87 are classified as “Important”, no vulnerability classified as “Moderate.”

According to Microsoft all “Critical“ vulnerability are either less likely or unlikely to be exploited, except of the security bypass vulnerability CVE-2023-21743 on Microsoft SharePoint Server machines. This vulnerability has a low complexity and can be easily triggered by an attacker. In a network-based attack, an unauthenticated user could make an …

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