CVE-2026-83418
High CVSS 8.2Published 2026-09-15 ยท last changed 2026-09-18
The fix
We hold no Microsoft remediation data for CVE-2026-83418, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.
What it is
Vulnerability in the Oracle Communications Cloud Native Core Security Edge Protection Proxy product of Oracle Communications (component: SEPP). Supported versions that are affected are 26.1.200 and 25.2.201. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Communications Cloud Native Core Security Edge Protection Proxy. While the vulnerability is in Oracle Communications Cloud Native Core Security Edge Protection Proxy, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Communications Cloud Native Core Security Edge Protection Proxy accessible data as well as unauthorized access to critical data or complete access to all Oracle Communications Cloud Native Core Security Edge Protection Proxy accessible data. CVSS 3.1 Base Score 8.2 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N).
Sources
CVSS vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N