Unauthorized Access Vulnerability in Oracle Solaris by Oracle Systems
CVE-2026-91348

8.4HIGH

Key Information:

Vendor

Oracle
Status
Oracle Solaris
Vendor
CVE Published:
20 October 2026

What is CVE-2026-91348?

This vulnerability in Oracle Solaris allows an unauthenticated attacker with logon to the infrastructure to exploit the system, leading to potential takeover of the Oracle Solaris environment. The affected versions include Oracle Solaris 11.3 and 11.4, making it crucial for users to assess their system's security posture to mitigate the risk of unauthorized access and subsequent impacts on confidentiality, integrity, and availability.

Affected Version(s)

Oracle Solaris 11.3

Oracle Solaris 11.4

References

https://www.oracle.com/security-alerts/cpuoct2026.html
vendor-advisory

CVSS V3.1

Score:
8.4
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.