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VulnerabilitiesNov 10, 2026

SAP Patches Four CVSS 10.0 Flaws, Including Two Enabling Remote Code Execution

SAP patches four critical CVSS 10.0 flaws, two enabling remote code execution.

SAP has released patches for four critical vulnerabilities, all rated CVSS 10.0, the highest possible score. Two of these flaws, located in the Internet Communication Manager (ICM) and SAP Web Dispatcher, allow for remote code execution without any user interaction. The other two vulnerabilities affect SAP Gateway and the SAML 2.0 service provider, enabling unauthorized actions and user impersonation, respectively.

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The lesson from this incident

Full lesson

SAP identified and patched four critical vulnerabilities all scoring the maximum CVSS 10.0, including two that allow unauthenticated remote code execution in the Internet Communication Manager and Web Dispatcher. These components are often internet-facing, meaning exploitation requires no user interaction and can be performed by any attacker who can reach the service. The remaining two flaws enable unauthorized actions and user impersonation via SAP Gateway and the SAML 2.0 service provider, compounding the risk of full system compromise. Organisations running unpatched SAP environments face catastrophic exposure, as attackers can chain these vulnerabilities to gain initial access, escalate privileges, and impersonate legitimate users. The incident underscores the critical importance of applying vendor patches immediately for maximum-severity flaws in enterprise middleware.

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Indicators of Compromise

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  • cve — CVE-2026-76964
  • cve — CVE-2026-89126
  • cve — CVE-2026-89103
  • cve — CVE-2026-120017

Entities

SAP (vendor)SAP NetWeaver (product)SAP Web Dispatcher (product)Internet Communication Manager (ICM) (product)SAP Gateway (product)SAML 2.0 service provider (product)