Login Request a demo
High severity · published Oct 20, 2026
CVE-2026-91537
Vulnerability in the Oracle Solaris product of Oracle Systems (component: Utility)
7.8
CVSS
0.1%
EPSS
No
On KEV
Description
Vulnerability in the Oracle Solaris product of Oracle Systems (component: Utility). The supported version that is affected is 11.4. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Oracle Solaris executes to compromise Oracle Solaris. Successful attacks of this vulnerability can result in takeover of Oracle Solaris. CVSS 3.1 Base Score 7.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 1% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OS
Oracle Solaris · Oracle Corporation
11.4 · source: vendor
Affected product
OS
Oracle Solaris
Oracle Corporation
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-91537
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-91537
www.oracle.com
https://www.oracle.com/security-alerts/cpuoct2026.html
More from Oracle Solaris
10.0
CVE-2026-46978
Vulnerability in the Oracle Solaris product of Oracle Systems (component: Remote Administration Daemon)
9.8
CVE-2026-60432
Vulnerability in the Oracle Solaris product of Oracle Systems (component: Image Packaging System)
9.8
CVE-2026-101537
Vulnerability in the Oracle Solaris product of Oracle Systems (component: Utility)
8.8
CVE-2026-47025
Vulnerability in the Oracle Solaris product of Oracle Systems (component: Utility)
8.4
CVE-2026-91348
Vulnerability in the Oracle Solaris product of Oracle Systems (component: Utility)