CVE-2026-27671 PUBLISHED

Memory Corruption vulnerability in Application Server ABAP of SAP NetWeaver and ABAP Platform

Assigner: sap
Reserved: 23.02.2026 Published: 09.06.2026 Updated: 09.06.2026

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.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 9.8

Product Status

Vendor SAP_SE
Product SAP NetWeaver AS ABAP and ABAP Platform
Versions Default: unaffected
  • Version KRNL64NUC 7.22 is affected
  • Version 7.22EXT is affected
  • Version KRNL64UC 7.22 is affected
  • Version 722EXT is affected
  • Version 7.53 is affected
  • Version KERNEL 7.22 is affected
  • Version 7.54 is affected
  • Version 7.77 is affected
  • Version 7.89 is affected
  • Version 7.93 is affected
  • Version 9.16 is affected
  • Version 9.18 is affected
  • Version 91.9 is affected

References

Problem Types