CVE-2026-66767

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

HIGH
7.7
CVSS Score
Published: September 8, 2026 at 12:11 AM UTC
Updated: September 9, 2026 at 05:17 AM UTC
2 products affected across 1 vendorNetWeaver Application Server ABAPABAP Platform

Using SAP NetWeaver Application Server for ABAP and ABAP Platform by SAP_SE?

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Severity
HIGH7.7
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

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

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.7HIGHsap
Attack Vector
NETWORK
Complexity
HIGH
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
LOW
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-191

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