Oracle Solaris Vulnerability in X Window System Exposes Data

CVE-2026-91209

What is CVE-2026-91209?

A vulnerability exists in Oracle Solaris, specifically within the X Window System, allowing an attacker with low privileges and logon access to the system to compromise its integrity. Exploitation requires human interaction from a user other than the attacker, creating a unique attack vector. Successful exploitation may lead to unauthorized updates, inserts, or deletions of data within Oracle Solaris, as well as unauthorized read access to certain datasets. Additionally, this vulnerability presents the risk of a partial denial of service condition. It is crucial for organizations using Oracle Solaris to be aware of this issue and implement necessary security measures.

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