Core SAP NetWeaver/ABAP Kernel vulnerability allows unauthenticated remote memory corruption in a widely deployed enterprise product with cross-industry impact.
CVE-2026-76966
Unauthenticated RFC flaw in SAP NetWeaver ABAP Kernel causes memory corruption.
Is CVE-2026-76966 being exploited?
Not confirmed. CVE-2026-76966 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked.
How severe is CVE-2026-76966?
CVE-2026-76966 is rated High with a CVSS score of 8.9. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-76966?
Yes. A fix has been recorded for CVE-2026-76966. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-76966 affect?
CVE-2026-76966 affects SAP NetWeaver Application Server ABAP, SAP ABAP Platform, SAP Kernel (RFC handling). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-76966?
Apply SAP Note 3769130 kernel patches immediately; restrict/block RFC access and monitor logs.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated crafted RFC triggers memory corruption in SAP Kernel, enabling data tampering, potential data exfiltration or remote code execution.
Immediate action required
- affectedKRNL64NUC 7.22
- affected7.22EXT
- affectedKRNL64UC 7.22
- affected7.53
- affected8.04
- affectedKERNEL 7.22
- affected7.54
- affected7.77
- affected7.93
- affected9.16
- affected9.18
- affected9.20
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.
timeline
- 10 Nov 2026Published
- 10 Nov 2026CVE record last updated · same day later
- 10 Nov 2026Analysed by vulneraibility.com · same day later
- Linkme.sap.com /notes/3769130
- Linkurl.sap /sapsecuritypatchday
sources
- CVE List (CVE.org): description, affected versions, references; CVE Terms of Use
- NVD: CVSS and CPE data
- FIRST EPSS: exploit probability and percentile
- Summary, impact and triage tags: written by our AI analysis pipeline from the sources above. Check them against the sources.