SAP NetWeaver ABAP Vulnerability CVE-2026-76964 Allows Remote Code Execution

## Overview SAP has disclosed a critical vulnerability, CVE-2026-76964, affecting the SAP NetWeaver Application Server ABAP. This flaw arises from insufficient validation of network input processed by an internal component. ## Technical Details The vulnerability allows unauthenticated attackers to send specially crafted network traffic. This can trigger a memory corruption condition within the affected functionality. If successfully exploited, attackers can execute arbitrary code on the system, leading to a full compromise. ## Impact The impact of this vulnerability is severe. It affects the confidentiality, integrity, and availability of the system. Organizations using SAP NetWeaver AS ABAP are at risk of significant disruptions and data breaches if they do not address this vulnerability promptly. ## Mitigation Defenders should apply the patches released by SAP as part of the November 2026 Patch Day. This includes fixes for four maximum-severity vulnerabilities, including CVE-2026-76964. Immediate action is necessary to protect systems from potential exploitation.