CVE-2026-83462: Easily exploitable 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. in Oracle Corporation Oracle Mobile Application Server
A critical vulnerability (CVE-2026-83462) exists in the Oracle Mobile Application Server component of Oracle E-Business Suite versions 12.2.3 through 12.2.15. This vulnerability allows an unauthenticated attacker with network access via TCP to fully compromise the server, impacting confidentiality, integrity, and availability. The vulnerability has a CVSS 3.1 base score of 9.8. Oracle has released a Critical Security Patch Update in September 2026 addressing this and many other vulnerabilities across multiple products. Customers are strongly advised to apply the available patches promptly.
AI Analysis
Technical Summary
CVE-2026-83462 is a critical vulnerability in the Oracle Mobile Application Server component (MWA Terminal Server) of Oracle E-Business Suite versions 12.2.3 to 12.2.15. It allows unauthenticated remote attackers to compromise the server over TCP, resulting in full takeover with high impact on confidentiality, integrity, and availability (CVSS 3.1 score 9.8). Oracle's September 2026 Critical Security Patch Update includes fixes for this vulnerability among 673 security patches across various Oracle products. Oracle strongly recommends applying these patches without delay to mitigate exploitation risks.
Potential Impact
Successful exploitation of this vulnerability can lead to complete takeover of the Oracle Mobile Application Server, affecting confidentiality, integrity, and availability of the system. This poses a critical risk to affected environments running vulnerable versions of Oracle E-Business Suite.
Mitigation Recommendations
Oracle has released a Critical Security Patch Update in September 2026 that addresses this vulnerability. Customers should apply the relevant patches from this update to affected Oracle E-Business Suite versions 12.2.3 through 12.2.15 promptly. Oracle advises remaining on actively-supported versions and applying security patches without delay to prevent exploitation. No additional mitigation steps are specified beyond patching.
CVE-2026-83462: Easily exploitable 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. in Oracle Corporation Oracle Mobile Application Server
Description
A critical vulnerability (CVE-2026-83462) exists in the Oracle Mobile Application Server component of Oracle E-Business Suite versions 12.2.3 through 12.2.15. This vulnerability allows an unauthenticated attacker with network access via TCP to fully compromise the server, impacting confidentiality, integrity, and availability. The vulnerability has a CVSS 3.1 base score of 9.8. Oracle has released a Critical Security Patch Update in September 2026 addressing this and many other vulnerabilities across multiple products. Customers are strongly advised to apply the available patches promptly.
CVSS v3.1
Score 9.8critical
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-83462 is a critical vulnerability in the Oracle Mobile Application Server component (MWA Terminal Server) of Oracle E-Business Suite versions 12.2.3 to 12.2.15. It allows unauthenticated remote attackers to compromise the server over TCP, resulting in full takeover with high impact on confidentiality, integrity, and availability (CVSS 3.1 score 9.8). Oracle's September 2026 Critical Security Patch Update includes fixes for this vulnerability among 673 security patches across various Oracle products. Oracle strongly recommends applying these patches without delay to mitigate exploitation risks.
Potential Impact
Successful exploitation of this vulnerability can lead to complete takeover of the Oracle Mobile Application Server, affecting confidentiality, integrity, and availability of the system. This poses a critical risk to affected environments running vulnerable versions of Oracle E-Business Suite.
Mitigation Recommendations
Oracle has released a Critical Security Patch Update in September 2026 that addresses this vulnerability. Customers should apply the relevant patches from this update to affected Oracle E-Business Suite versions 12.2.3 through 12.2.15 promptly. Oracle advises remaining on actively-supported versions and applying security patches without delay to prevent exploitation. No additional mitigation steps are specified beyond patching.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-jxhp-5jq7-4mmc
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-83462"]
- Database Specific Severity
- CRITICAL
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6aaa07db55bf5e2cf5ea3254
Added to database: 09/16/2026, 03:07:07 UTC
Last enriched: 09/16/2026, 03:46:14 UTC
Last updated: 09/16/2026, 03:46:14 UTC
Views: 1
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