Is CVE-2026-120010 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-120010 being exploited in the wild.

How severe is CVE-2026-120010?

High severity, with a CVSS score of 7.5, published 10 November 2026.

Is there a fix for CVE-2026-120010?

No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

How is CVE-2026-120010 attacked?

It is attacked over the network, in a web application.

Am I affected by CVE-2026-120010?

Check whether you run SAP NetWeaver Application Server. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-120010: SAP NetWeaver Application Server heap buffer overflow in Message Server

CVE-2026-120010 · Severity: high · CVSS 7.5 · Published 2026-11-10

SAP NetWeaver Application Server's Message Server component processes HTTP requests and does not properly allocate memory for certain payloads, leading to a heap buffer overflow. An unauthenticated attacker can trigger this vulnerability by sending a specially crafted request, causing the Message Server to crash and become unavailable until manually restarted, disrupting operations but not exposing data.

Vendors: SAP.

Quick answers

Is CVE-2026-120010 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-120010 being exploited in the wild.
How severe is CVE-2026-120010?: High severity, with a CVSS score of 7.5, published 10 November 2026.
Which products and versions are affected?: SAP NetWeaver Application Server.
Is there a fix for CVE-2026-120010?: No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-120010 attacked?: It is attacked over the network, in a web application.
Am I affected by CVE-2026-120010?: Check whether you run SAP NetWeaver Application Server. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

The SAP Message Server component fails to correctly size heap memory allocations when handling certain HTTP requests, resulting in a heap buffer overflow. The vulnerability requires no authentication and can be triggered over the network. Successful exploitation causes a denial of service through component crash; there is no confidentiality or integrity impact.

Affected products

SAP NetWeaver Application Server

Timeline

2026-11-10: disclosed

References

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