Buffer overflow in SAP NetWeaver AS ABAP - CVE-2026-76966
Published: November 11, 2026
Vulnerability identifier: #VU164824
CSH Severity: Critical
CVSS v4: 9.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L]
CVE-ID: CVE-2026-76966
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to improper RFC protocol validation in the SAP Kernel. A remote attacker can send crafted RFC request that exploits logical errors in memory management, leading to memory corruption.
Affected software
SAP NetWeaver AS ABAP
How to mitigate CVE-2026-76966
Install updates from vendor's website.