Microsoft's April Patch Tuesday Addresses 165 Security Flaws, Including Zero-Days

Microsoft's April 2026 Patch Tuesday has released fixes for 165 security vulnerabilities across its product range. This update includes two zero-day flaws, one of which is actively being exploited in Microsoft Office SharePoint. The exploited vulnerability could allow unauthorized access to sensitive information. Additionally, CISA has updated its catalog of known exploited vulnerabilities with six new entries, highlighting broader industry concerns.