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CVE Vulnerability Details :

CVE-2026-27671

PUBLISHED

More Info Official Page

Assigner-sap

Assigner Org ID-e4686d1a-f260-4930-ac4c-2f5c992778dd

Published At-09 Jun, 2026 | 00:20

Updated At-09 Jun, 2026 | 13:03

▼CVE Numbering Authority (CNA)

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

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.

Affected Products

Vendor

SAP SE

Product

SAP NetWeaver AS ABAP and ABAP Platform

Default Status

unaffected

Versions

Affected

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

Problem Types

Type	CWE ID	Description
CWE	CWE-121	CWE-121: Stack-based Buffer Overflow

Type: CWE

CWE ID: CWE-121

Description: CWE-121: Stack-based Buffer Overflow

Metrics

Version	Base score	Base severity	Vector
3.1	9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Version: 3.1

Base score: 9.8

Base severity: CRITICAL

Vector:

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

References

Hyperlink	Resource
https://me.sap.com/notes/3717897	N/A
https://url.sap/sapsecuritypatchday	N/A

Hyperlink: https://me.sap.com/notes/3717897

Resource: N/A

Hyperlink: https://url.sap/sapsecuritypatchday

Resource: N/A

▼Authorized Data Publishers (ADP)

CISA ADP Vulnrichment

Affected Products

Affected

Problem Types

Metrics

Metrics Other Info

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Exploits

Credits

Timeline

Replaced By

Rejected Reason

References

Affected Products

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References