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CVE-2026-44756— Memory Corruption vulnerability in SAP Extended Passport (EPP) Processing

Quick assessment

Affected
SAP_SE SAP Extended Passport (EPP) Processing
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

SAP Extended Passport Protocol是德国SAP公司的一款支持扩展身份凭证协议处理与权限校验的身份认证软件。 SAP Extended Passport Protocol KRNL64NUC 7.22版本、7.22EXT版本、KRNL64UC 7.22版本、7.53版本、8.04版本、WEBDISP 9.16版本、9.18版本、9.19版本、9.20版本、KERNEL 7.22版本、7.54版本、7.77版本、7.89版本、7.93版本和9.16版本存在缓冲区错误漏洞，该漏洞源于在

CVSS 10.0 · Critical EPSS 1.40% · P72

Affected Version Matrix 15

VendorProduct Version RangeStatus
SAP_SE SAP Extended Passport (EPP) Processing KRNL64NUC 7.22 affected
7.22EXT affected
KRNL64UC 7.22 affected
7.53 affected
8.04 affected
WEBDISP 9.16 affected
9.18 affected
9.19 affected
… +7 more rows
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I. Basic Information for CVE-2026-44756

Vulnerability Information
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Vulnerability Title
Memory Corruption vulnerability in SAP Extended Passport (EPP) Processing
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Vulnerability Title
SAP Extended Passport Protocol 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SAP Extended Passport Protocol是德国SAP公司的一款支持扩展身份凭证协议处理与权限校验的身份认证软件。 SAP Extended Passport Protocol KRNL64NUC 7.22版本、7.22EXT版本、KRNL64UC 7.22版本、7.53版本、8.04版本、WEBDISP 9.16版本、9.18版本、9.19版本、9.20版本、KERNEL 7.22版本、7.54版本、7.77版本、7.89版本、7.93版本和9.16版本存在缓冲区错误漏洞，该漏洞源于在
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
SAP_SE SAP Extended Passport (EPP) Processing KRNL64NUC 7.22 -

II. Public POCs for CVE-2026-44756

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III. Intelligence Information for CVE-2026-44756

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Vendor Pages for CVE-2026-44756 (1)

Same Patch Batch · SAP_SE · 2026-09-08 · 17 CVEs total

CVE-2026-58240 9.8 CRITICAL Missing Authentication check in SAP NetWeaver (Message Server)
CVE-2026-76969 9.4 CRITICAL Credential disclosure in multitenant applications using SAP Cloud Application Programming
CVE-2026-66768 9.0 CRITICAL Improper Access Control in SAP NetWeaver (SAP GUI for Java)
CVE-2026-76958 8.5 HIGH XML External Entity (XXE) Vulnerability in SAP Integration Suite
CVE-2026-76967 7.8 HIGH Insecure Deserialization in SAP NetWeaver Business Client
CVE-2026-66767 7.7 HIGH Memory Corruption vulnerability in SAP NetWeaver Application Server for ABAP and ABAP Plat
CVE-2026-76968 6.5 MEDIUM Information Disclosure vulnerability in SAP Web Dispatcher, Internet Communication Manager
CVE-2026-76971 6.5 MEDIUM Server-Side Request Forgery in SAP Manufacturing Integration and Intelligence
CVE-2026-44766 6.5 MEDIUM SQL Injection vulnerability in SAP S/4HANA (Intercompany Matching and Reconciliation)
CVE-2026-76959 4.6 MEDIUM Cross-Site Request Forgery (CSRF) vulnerability in SAP S/4HANA (Finance for Advanced Payme
CVE-2026-76962 4.3 MEDIUM Missing Authorization check in SAP S/4HANA (Manage Bank Chains app)
CVE-2026-76977 4.3 MEDIUM Clickjacking vulnerability in SAPUI5(Frame Options Allowlist)
CVE-2026-76963 4.3 MEDIUM Missing Authorization Check in Application Server ABAP of SAP NetWeaver and ABAP Platform
CVE-2026-76961 3.5 LOW Cross-Site Request Forgery (CSRF) vulnerability in SAP S/4HANA (Finance for Advanced Payme
CVE-2026-76960 3.5 LOW Cross-Site Request Forgery (CSRF) vulnerability in SAP S/4HANA (Finance for Advanced Payme
CVE-2026-58234 2.2 LOW Denial of Service vulnerability in SAP Process Integration (SOAP Adapter)

IV. Related Vulnerabilities

Same vendor: SAP_SE
Same weakness: CWE-120

V. Comments for CVE-2026-44756

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