Advisory

SAP takes the security of its vast product portfolio very seriously and thus releases security fixes for vulnerabilities reported by external researchers and their customers every second Tuesday of the month.

SAP Note 3717897 was released on 09.06.2026 and deals with "3717897 - [CVE-2026-27671] Memory Corruption vulnerability in Application Server ABAP of SAP NetWeaver and ABAP Platform" within Kernel / ABAP. We advice you to follow the instructions, to resolve memory corruption with a hot news potential for exploitation in component BC-MID-RFC.

According to SAP Security Advisory team a workaround does not exist. It is advisable to implement the correction as monthly patch process.

Risk specification

SAP NetWeaver Application Server ABAP and ABAP Platform allow an unauthenticated attacker to send a specially crafted RFC request that exploits improper memory management in the SAP Kernel, resulting in memory corruption and full system compromise.

Solution

RFC protocol validation in the SAP Kernel has been enhanced to properly handle crafted requests and prevent memory corruption.

The advisory is valid for

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Disclaimer

SecurityBridge takes the security of SAP products very seriously. We very much encourage the responsible disclosure of security vulnerabilities. If you have detected a vulnerability concerning one of the SAP software products – either in the latest or in a former product version follow the guidelines and processes in accordance with the SAP portal page “Report a Security Vulnerability to SAP”.

The advisories found within the SecurityBridge advisory are generated and continuously enriched by our Team at SecurityBridge and affiliated security consultants, partners, customers of the SecurityBridge Platform, SAP support, and advisory groups.

We do not disclose zero-day vulnerabilities unless a security patch has been made available to the public. In such case, the platform only provides details on which version or signature updates are available within the SecurityBridge platform in order to monitor or measure the vulnerability.

In accordance with SAP guidelines, SecurityBridge only discloses issues where the fixing security note has been released. The vulnerability platform makes no references to available exploits or Proof of Concepts (PoC). Advisories and vulnerabilities will always mention the fixing security note or hints to the corresponding SAP documentation.

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