# SAP NetWeaver CVE-2025-42999 Chained Zero-Day Attacks

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## Article Metadata
- Title: SAP NetWeaver CVE-2025-42999 Chained Zero-Day Attacks
- Summary: SAP patched CVE-2025-42999, a critical NetWeaver Visual Composer deserialization flaw tied to chained attacks with CVE-2025-31324, webshells and remote command execution.
- Published: May 15, 2026, 1:34 PM EDT
- Updated: May 15, 2026, 1:34 PM EDT
- Category: Exploits
- Primary topic: Patch Watch
- Authors: Samir Haddad
- Read time: 5 min
- Language: en_US
- Publication time zone: America/New_York (U.S. Eastern Time)
- Access: Free to read

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