CVE-2026-83463 Privilege escalation in Oracle Mobile Application Server

High 7.5 Published 15 Sep 2026 Updated 17 Sep 2026

An unauthenticated attacker on the local network segment can compromise the Oracle Mobile Application Server, leading to full system takeover.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-83463?

CVE-2026-83463 is a high-severity vulnerability in Oracle Mobile Application Server, published on 15 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Vulnerability in the Oracle Mobile Application Server product of Oracle E-Business Suite (component: MWA Terminal Server). Supported versions that are affected are 12.2.3-12.2.15. Difficult to exploit vulnerability allows unauthenticated attacker with access to the physical communication segment attached to the hardware where the Oracle Mobile Application Server executes to compromise Oracle Mobile Application Server. Successful attacks of this vulnerability can result in takeover of Oracle Mobile Application Server. CVSS 3.1 Base Score 7.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).

Weakness: CWE-269

Which versions are affected by CVE-2026-83463?

It affects 1 product.

Products include Oracle Mobile Application Server.

How do I fix CVE-2026-83463?

No fix has been published for CVE-2026-83463 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-83463 being exploited?

There is no known exploitation of CVE-2026-83463 in the wild and no public exploit code.

Sources

Also known as GHSA-p75g-gjvf-63mc.