Critical Alert: SAP’s Latest Security Update Fixes 9.8 CVSS RCE and Deserialization Flaws

**SAP monthly security update:** SAP published 15 security notes including two Critical vulnerabilities (CVE-2019-17571 — Log4j 1.2 deserialization; CVE-2026-27685 — Insecure deserialization in NetWeaver) with CVSS scores above 9.0 that can lead to remote code execution and full system compromise; additional fixes address DoS (CVE-2026-27689), SSRF, SQL injection, XSS, and DLL hijacking across NetWeaver, Business One, and SAP GUI, and security teams are advised to prioritize the critical patches immediately.