Buffer overflow in SAP Se Extended Passport (Epp) Processing
CVE-2026-44756
A memory safety vulnerability exists in the Extended Passport Protocol (EPP) processing library. Under specific conditions, an unauthenticated attacker could exploit a crafted network request containing a malformed EPP header, potentially resulting in undefined behavior and abnormal program termination. Successful exploitation may have a high impact on the confidentiality, integrity, and availability of the application.
Vulnerability class: Buffer Overflow
CVSS v3 metric
CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Sap_se Sap Extended Passport (Epp) Processing — versions 7.22EXT, 7.53, 7.54
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-44756?
- CVE-2026-44756 is a critical-severity vulnerability in SAP Se Extended Passport (Epp) Processing, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 10.0/10. Published 2026-09-08.
- How severe is CVE-2026-44756?
- Critical severity. CVSS v3 base score is 10.0 out of 10.