CVE-2026-44747
Summary
by MITRE • 07/14/2026
SAP NetWeaver Application Server ABAP allows an authenticated attacker to leverage logical errors in memory management to cause a memory corruption that could lead to unauthorized data access, modification, or system unavailability. This has high impact on confidentiality, integrity, and availability of the application.
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Analysis
by VulDB Data Team • 07/14/2026
SAP NetWeaver Application Server ABAP represents a critical component within enterprise IT infrastructure serving as the foundation for business applications and process automation. The vulnerability under analysis manifests through logical errors in memory management that occur during normal operational procedures within the ABAP runtime environment. These memory management flaws typically arise from improper handling of memory allocation, deallocation, or access patterns that are exploited by authenticated attackers who possess legitimate credentials to interact with the system. The exploitation mechanism leverages the application's internal memory handling routines where insufficient validation and proper memory boundary checks create opportunities for attackers to manipulate memory structures through carefully crafted inputs or sequences of operations.
The technical implementation of this vulnerability involves specific conditions within the ABAP execution environment where memory corruption occurs during processing of user requests or system operations. Attackers can potentially trigger these logical errors by submitting specially constructed data sets or executing specific transaction sequences that cause the application server to mishandle memory resources. The memory corruption typically manifests as buffer overflows, use-after-free conditions, or other memory management inconsistencies that result in unpredictable behavior within the runtime environment. These conditions can be particularly insidious because they may not immediately produce detectable symptoms but instead create latent vulnerabilities that can be exploited at a later time for more severe attacks.
The operational impact of this vulnerability extends across all three fundamental principles of information security confidentiality integrity and availability. Confidentiality breaches occur when attackers exploit memory corruption to access unauthorized data through techniques such as memory dumping or data leakage from corrupted memory regions. Integrity violations happen when the attacker can modify system data or application logic by manipulating memory contents that control business processes or data validation mechanisms. Availability is compromised when the memory corruption causes system instability resulting in application crashes, service interruptions, or complete system unavailability that disrupts business operations and can lead to significant financial losses.
From a cybersecurity perspective this vulnerability aligns with multiple CWE classifications including CWE-125 out-of-bounds read conditions and CWE-787 out-of-bounds write conditions which are common manifestations of memory management flaws. The attack patterns associated with this vulnerability map directly to ATT&CK techniques such as T1059 command and scripting interpreter for execution and T1499 endpoint denial of service through resource exhaustion or system instability. The authenticated nature of the attack means that attackers typically need to establish a legitimate session within the SAP environment before exploiting these memory management errors, making the vulnerability particularly dangerous in environments where privileged accounts are compromised.
Organizations should implement comprehensive mitigation strategies that include immediate patching of affected SAP NetWeaver versions through official SAP security notes and updates. Network segmentation and access controls should be strengthened to limit potential attack vectors and reduce the attack surface available to authenticated users. Monitoring solutions must be enhanced to detect anomalous memory usage patterns or unusual processing behaviors that could indicate exploitation attempts. Regular vulnerability assessments and penetration testing should be conducted to identify additional memory management issues within the SAP environment. Additionally security teams should establish incident response procedures specifically tailored for memory corruption vulnerabilities that can quickly identify and contain exploitation attempts while maintaining business continuity through proper backup and recovery mechanisms.