CVE-2026-83464 Privilege escalation in Oracle Mobile Application Server

High 8.1 Published 15 Sep 2026 Updated 17 Sep 2026

An unauthenticated attacker can compromise the Oracle Mobile Application Server via network access, leading to full system takeover.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-83464?

CVE-2026-83464 is a high-severity vulnerability in Oracle Mobile Application Server, published on 15 Sep 2026. An attacker can exploit it over the internet without logging in, 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 network access via TCP 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 8.1 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).

Weakness: CWE-269

Which versions are affected by CVE-2026-83464?

It affects 1 product.

Products include Oracle Mobile Application Server.

How do I fix CVE-2026-83464?

No fix has been published for CVE-2026-83464 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-83464 being exploited?

There is no known exploitation of CVE-2026-83464 in the wild and no public exploit code.

Sources

Also known as GHSA-5vp8-xq3c-pvx5.