Heap Buffer Overflow Vulnerability in SAP NetWeaver Application Server by SAP
CVE-2026-120010

7.5HIGH

Key Information:

Vendor

SAP
Status
SAP Netweaver Application Server (SAP Message Server)
Vendor
CVE Published:
10 November 2026

What is CVE-2026-120010?

The SAP NetWeaver Application Server's Message Server component suffers from a vulnerability that results in improper memory allocation when processing specific HTTP requests. An unauthenticated attacker could exploit this weakness by sending a specially crafted request, leading to a heap buffer overflow. This exploitation causes the component to crash and become unavailable until manually restarted by the framework. While the vulnerability does not affect confidentiality or integrity, it can severely disrupt system availability.

Affected Version(s)

SAP NetWeaver Application Server (SAP Message Server) KRNL64NUC 7.22

SAP NetWeaver Application Server (SAP Message Server) 7.22EXT

SAP NetWeaver Application Server (SAP Message Server) KRNL64UC 7.22

References

https://me.sap.com/notes/3805570
https://url.sap/sapsecuritypatchday

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.