Buffer overflow in SAP NetWeaver AS ABAP - CVE-2026-34265
Published: August 12, 2026
Vulnerability identifier: #VU141511
CSH Severity: Critical
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-34265
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error. A remote non-authenticated attacker can send specially crafted data to the server, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
SAP NetWeaver AS ABAP
How to mitigate CVE-2026-34265
Install updates from vendor's website.