April Patch Tuesday Fixes Critical Flaws Across SAP, Adobe, Microsoft, Fortinet, and More

**Executive Summary:** April Patch Tuesday coverage details numerous critical vulnerabilities across major vendors — notably an SAP SQL injection (CVE-2026-27681, CVSS 9.9), an actively exploited Adobe Acrobat Reader RCE (CVE-2026-34621), and critical FortiSandbox flaws — that can enable arbitrary code execution, data theft, and business disruption; security updates from a broad set of vendors have been released to address these issues.