CVE-2026-66767 — Memory Corruption vulnerability in SAP NetWeaver Application Server for ABAP and ABAP Platform

Description (CNA)

SAP NetWeaver Application Server for ABAP and ABAP Platform allows an unauthenticated user to send a specially crafted packet that triggers reprocessing of a previously buffered user request, potentially hijacking another user's session under narrow timing conditions. Successful exploitation could result in high impact on confidentiality and integrity, with low impact on availability of the application.

Affected (CNA)

Vendor / product	Versions
SAP_SE / SAP NetWeaver Application Server for ABAP and ABAP Platform	affected KRNL64NUC 7.22; affected 7.22EXT; affected KRNL64UC 7.22; affected 7.53; affected 8.04; affected KERNEL 7.22; affected 7.54; affected 7.77; affected 7.93; affected 9.16; affected 9.18; affected 9.19; affected 9.20

CWE

CWE-191

References

https://me.sap.com/notes/3757002
https://url.sap/sapsecuritypatchday

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.