Affects SAP NetWeaver ABAP/Platform, widely used ERP; authenticated tampering enables data breach and disruption.
CVE-2026-44748
Authenticated attacker can tamper signed XML to gain unauthorized data access.
Is CVE-2026-44748 being exploited?
Not confirmed. CVE-2026-44748 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. EPSS currently estimates a 0.23% probability of exploitation in the next 30 days.
How severe is CVE-2026-44748?
CVE-2026-44748 is rated Critical with a CVSS score of 9.9. 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-2026-44748?
Not known from our data. No patch reference has been recorded for CVE-2026-44748, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2026-44748 affect?
CVE-2026-44748 affects SAP NetWeaver Application Server ABAP, SAP NetWeaver ABAP Platform. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-44748?
Patch when available; enforce least privilege and monitor ABAP access.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Tampering signed XML by an authenticated user can bypass checks, exposing data and disrupting service.
Immediate action required
- affectedSAP_BASIS 702
- affectedSAP_BASIS 731
- affectedSAP_BASIS 740
- affectedSAP_BASIS 750
- affectedSAP_BASIS 751
- affectedSAP_BASIS 752
- affectedSAP_BASIS 753
- affectedSAP_BASIS 754
- affectedSAP_BASIS 755
- affectedSAP_BASIS 756
- affectedSAP_BASIS 757
- affectedSAP_BASIS 758
- affectedSAP_BASIS 816
- affectedSAP_BASIS 918
- affectedSAP_BASIS 919
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.