CVE-2026-76967 Insecure Deserialization in SAP NetWeaver Business Client
A local attacker can achieve arbitrary code execution by replacing locally stored data with malicious content processed during application startup.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-76967?
CVE-2026-76967 is a high-severity unsafe deserialization vulnerability in SAP_SE SAP NetWeaver Business Client, published on 8 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
SAP NetWeaver Business Client does not perform sufficient validation when processing certain locally stored data during application startup. An attacker with low privileges on the local system could replace this data with specially crafted content. When the application is next launched, the crafted content is processed and could lead to arbitrary code execution in the context of the user. This results in a high impact on confidentiality, integrity and availability of the application.
Weakness: CWE-502
Which versions are affected by CVE-2026-76967?
How do I fix CVE-2026-76967?
No fix has been published for CVE-2026-76967 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2026-76967 being exploited?
There is no known exploitation of CVE-2026-76967 in the wild and no public exploit code.
Sources
Also known as GHSA-2g6q-47v3-35cx.