Vulnerability in Oracle Solaris
CVE-2026-21927
Vulnerability in the Oracle Solaris product of Oracle Systems (component: Driver). The supported version that is affected is 11. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where Oracle Solaris executes to compromise Oracle Solaris. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Solaris accessible data as well as unauthorized access to critical data or complete access to all Oracle Solaris accessible data. CVSS 3.1 Base Score 5.8 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N).
EPSS: 0.002 (8.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.8 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N.
Affected products
- Oracle Solaris — versions 10, 11
- Oracle Corporation Solaris — versions 11
References
- secalert_us@oracle.com (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-21927?
- CVE-2026-21927 is a medium-severity vulnerability in Oracle Solaris. CVSS score: 5.8/10. Published 2026-01-20.
- How severe is CVE-2026-21927?
- Medium severity. CVSS v3 base score is 5.8 out of 10.