CVE-2026-27671
Critical
Description
Due to improper RFC protocol validation in the SAP Kernel used by the Application Server ABAP of SAP NetWeaver and ABAP Platform, an unauthenticated attacker can send a crafted RFC request that exploits logical errors in memory management, leading to memory corruption. This could lead to a high impact on the confidentiality, integrity, and availability of the application.
SeverityCritical
CVSS9.8
Exploit probability—
ProductSAP NetWeaver AS ABAP and ABAP Platform
PublishedJun 9, 2026
First seenJun 9, 2026
Weakness typeCWE-121CWE-121
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| SAP_SE SAP NetWeaver AS ABAP and ABAP Platform | KRNL64NUC 7.22, 7.22EXT, KRNL64UC 7.22, 722EXT, 7.53, KERNEL 7.22, 7.54, 7.77, 7.89, 7.93, 9.16, 9.18, 91.9 | — |
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