SAP NetWeaver and ABAP Platform up to KRNL64UC 7.22 DIAG Protocol memory corruption

Summaryinfo

A vulnerability described as critical has been identified in SAP NetWeaver and ABAP Platform. This issue affects some unknown processing of the component DIAG Protocol. Executing a manipulation can lead to memory corruption. This vulnerability is tracked as CVE-2026-34265. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in SAP NetWeaver and ABAP Platform. It has been declared as critical. This vulnerability affects an unknown code block of the component DIAG Protocol. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

SAP NetWeaver Application Server ABAP allows an unauthenticated attacker to exploit logical errors in DIAG protocol parsing, resulting in memory corruption. This vulnerability could potentially disclose sensitive system information or crash the system, leading to a high impact on the confidentiality, integrity, and availability of the application.

The advisory is shared for download at me.sap.com. This vulnerability was named CVE-2026-34265 since 03/26/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 08/11/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Solution Stack Software

Vendor

• SAP

Name

• NetWeaver and ABAP Platform

Version

• 7.22EXT
• 7.22EXT2
• 7.22EXT3
• 7.53
• 7.54
• 7.77
• 7.89
• 8.04
• 9.16
• 9.16 9.18
• 9.18
• 9.19
• KERNEL 7.22
• KRNL64NUC 7.22
• KRNL64UC 7.22

License

• commercial

Website

• Vendor: https://www.sap.com/

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