Security readout for executives and security teams
Plain-English summary
CVE-2026-44747 is a critical SAP NetWeaver AS ABAP memory corruption issue. An authenticated attacker could potentially access or modify data, or disrupt the application. The CVSS score is 9.9, so affected SAP systems should be treated as urgent business risk.
Executive priority
Treat this as a high-priority SAP platform risk. It affects core enterprise systems and carries potential data exposure, data modification, and downtime impact. Authentication is required, but the severity and low attack complexity justify rapid assessment and remediation planning.
Technical view
SAP reports logical errors in memory management in NetWeaver Application Server ABAP. The CVSS vector is network-accessible, low complexity, low privileges required, no user interaction, changed scope, and high confidentiality, integrity, and availability impact. The assigned weakness is CWE-787.
Likely exposure
Organizations running SAP NetWeaver Application Server ABAP with the listed affected kernel versions, including KRNL64NUC 7.22, KRNL64UC 7.22, KERNEL 7.22, 7.53, 7.54, 7.77, 7.89, 7.93, 9.16, 9.18, 9.19, or 9.20.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. The attack requires authentication but is network-reachable and low complexity, making compromised or low-privilege SAP accounts a meaningful concern.
Researcher notes
Do not assume exploit availability from the supplied evidence. Focus validation on version exposure, SAP Note applicability, authentication boundaries, and whether any affected systems are reachable by broad user populations or integrated accounts.
Mitigation direction
- Review SAP Note 3747367 and SAP Security Patch Day guidance for official corrections or workarounds.
- Prioritize remediation for affected SAP NetWeaver AS ABAP kernel versions in production environments.
- Restrict SAP ABAP access to required authenticated users while remediation is pending.
- Increase monitoring for unusual authenticated SAP activity until vendor guidance is applied.
Validation and detection
- Inventory SAP NetWeaver AS ABAP systems and record exact kernel versions.
- Compare kernel versions against the affected version list in the CVE source bundle.
- Confirm SAP Note 3747367 applicability and implementation status through SAP guidance.
- Verify compensating access controls for ABAP systems that cannot be remediated immediately.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-787: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2026-44747 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.9 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H3.16sapVulnerability scoring details
Base CVSS 3.1 score
9.9CriticalVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://me.sap.com/notes/3747367CVE reference, sap
- https://url.sap/sapsecuritypatchdayCVE reference, sap
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Out-of-bounds Write
Out-of-bounds Write represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.