CVE-2026-83211: Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Siebel CRM Deployment executes to compromise Siebel CRM Deployment. Successful attacks of this vulnerability can result in takeover of Siebel CRM Deployment. in Oracle Corporation Siebel CRM Deployment
CVE-2026-83211 is a high-severity vulnerability in Oracle Siebel CRM Deployment (Server Infrastructure component) affecting versions 17.0 through 26.7. It allows a low privileged attacker with logon access to the infrastructure to compromise the Siebel CRM Deployment, potentially leading to full takeover. The vulnerability has a CVSS 3.1 base score of 7.8, indicating high impact on confidentiality, integrity, and availability. Oracle has addressed this vulnerability in its September 2026 Critical Security Patch Update, which includes numerous security fixes across multiple products.
AI Analysis
Technical Summary
This vulnerability affects Oracle Siebel CRM Deployment versions 17.0 through 26.7. It permits a low privileged attacker who already has logon access to the underlying infrastructure to escalate privileges and compromise the Siebel CRM Deployment. The CVSS 3.1 vector (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) reflects that the attack requires local access with low complexity and privileges but results in high confidentiality, integrity, and availability impacts. Oracle has published a Critical Security Patch Update in September 2026 that includes a fix for this vulnerability among 673 security patches.
Potential Impact
Successful exploitation allows an attacker with low privileges and logon access to the infrastructure to take over the Siebel CRM Deployment, impacting confidentiality, integrity, and availability of the system. This could lead to unauthorized data access, modification, and disruption of services within the Siebel CRM environment.
Mitigation Recommendations
Oracle has released a Critical Security Patch Update in September 2026 that addresses this vulnerability. Customers should apply the available security patches promptly to remediate the issue. Oracle strongly recommends remaining on actively-supported versions and applying patches without delay to prevent exploitation. Patch status is confirmed as fixed in the September 2026 Critical Security Patch Update. No additional mitigations are specified beyond applying the official patch.
CVE-2026-83211: Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Siebel CRM Deployment executes to compromise Siebel CRM Deployment. Successful attacks of this vulnerability can result in takeover of Siebel CRM Deployment. in Oracle Corporation Siebel CRM Deployment
Description
CVE-2026-83211 is a high-severity vulnerability in Oracle Siebel CRM Deployment (Server Infrastructure component) affecting versions 17.0 through 26.7. It allows a low privileged attacker with logon access to the infrastructure to compromise the Siebel CRM Deployment, potentially leading to full takeover. The vulnerability has a CVSS 3.1 base score of 7.8, indicating high impact on confidentiality, integrity, and availability. Oracle has addressed this vulnerability in its September 2026 Critical Security Patch Update, which includes numerous security fixes across multiple products.
CVSS v3.1
Score 7.8high
Affected software
Oracle Corporation
Siebel CRM Deployment
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects Oracle Siebel CRM Deployment versions 17.0 through 26.7. It permits a low privileged attacker who already has logon access to the underlying infrastructure to escalate privileges and compromise the Siebel CRM Deployment. The CVSS 3.1 vector (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) reflects that the attack requires local access with low complexity and privileges but results in high confidentiality, integrity, and availability impacts. Oracle has published a Critical Security Patch Update in September 2026 that includes a fix for this vulnerability among 673 security patches.
Potential Impact
Successful exploitation allows an attacker with low privileges and logon access to the infrastructure to take over the Siebel CRM Deployment, impacting confidentiality, integrity, and availability of the system. This could lead to unauthorized data access, modification, and disruption of services within the Siebel CRM environment.
Mitigation Recommendations
Oracle has released a Critical Security Patch Update in September 2026 that addresses this vulnerability. Customers should apply the available security patches promptly to remediate the issue. Oracle strongly recommends remaining on actively-supported versions and applying patches without delay to prevent exploitation. Patch status is confirmed as fixed in the September 2026 Critical Security Patch Update. No additional mitigations are specified beyond applying the official patch.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- oracle
- Date Reserved
- 2026-08-31T15:40:57.347Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://www.oracle.com/security-alerts/cspusep2026.html","vendor":"Oracle"}]
Threat ID: 6aa9a82c55bf5e2cf55380ca
Added to database: 09/15/2026, 20:18:52 UTC
Last enriched: 09/15/2026, 22:52:33 UTC
Last updated: 09/15/2026, 22:52:33 UTC
Views: 2
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