Critical severity · published Feb 10, 2026
CVE-2026-0509
Missing Authorization check in SAP NetWeaver Application Server ABAP and ABAP Platform
9.6
CVSS
0.4%
EPSS
No
On KEV
Description
SAP NetWeaver Application Server ABAP and ABAP Platform allows an authenticated, low-privileged user to perform background Remote Function Calls without the required S_RFC authorization in certain cases. This can result in a high impact on integrity and availability, and no impact on the confidentiality of the application.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 32% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SN
SAP NetWeaver Application Server ABAP and ABAP Platform · SAP_SE
KRNL64NUC 7.22; 7.22EXT; KRNL64UC 7.22; 7.53; KERNEL 7.22; 7.54; +6 more · source: vendor
NA
Netweaver AS Abap Kernel · Sap
7.22; 7.53; 7.54; 7.77; 7.89; 7.93; +3 more · source: NVD
NA
Netweaver AS Abap Krnl64nuc · Sap
7.22; 7.22ext · source: NVD
NA
Netweaver AS Abap Krnl64uc · Sap
7.22; 7.22ext; 7.53 · source: NVD
Affected product
SN
SAP NetWeaver Application Server ABAP and ABAP Platform
SAP_SE
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-0509
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-0509
Permissions Required
https://me.sap.com/notes/3674774
Vendor Advisory
https://url.sap/sapsecuritypatchday
More from SAP NetWeaver Application Server ABAP and ABAP Platform
9.6
CVE-2024-33006
File upload vulnerability in SAP NetWeaver Application Server ABAP and ABAP Platform
8.1
CVE-2026-0506
Missing Authorization check in SAP NetWeaver Application Server ABAP and ABAP Platform
6.2
CVE-2025-31329
Information Disclosure vulnerability in SAP NetWeaver Application Server ABAP and ABAP Platform
6.1
CVE-2025-42969
Cross-Site Scripting (XSS) vulnerability in SAP NetWeaver Application Server ABAP and ABAP Platform
6.1
CVE-2024-32733
Cross-Site Scripting (XSS) vulnerability in SAP NetWeaver Application Server ABAP and ABAP Platform