Critical IBM i Vulnerabilities and Microsoft CVE Updates in August 2026

In August 2026, IBM released 34 security alerts for IBM i, addressing over 120 CVEs, including several critical vulnerabilities with CVSS scores as high as 9.9. Key vulnerabilities include remote code execution flaws in various components like the Line Printer Daemon and the Debug Server. Customers are urged to patch these vulnerabilities immediately. Concurrently, Microsoft updated CVE-2026-65796, changing its impact from Denial of Service to Remote Code Execution and raising its severity from Important to Critical. This update affects users who installed the previous version of the update, but no further action is required for those users. The scope of these vulnerabilities poses significant risks to IBM i systems and requires immediate attention from affected organizations.

Key Points: • IBM issued 34 security alerts for IBM i, covering over 120 CVEs with critical vulnerabilities. • Key vulnerabilities include remote code execution flaws with CVSS scores up to 9.9. • Microsoft updated CVE-2026-65796, changing its severity to Critical due to remote code execution risks.