CVE-2026-87423

Published Oct 20, 2026 CVSS 3.1 · 4.5 Medium EPSS < 1% KEV · Not listed
Description
Vulnerability in the Oracle Solaris product of Oracle Systems (component: X Window System). The supported version that is affected is 11.4. Difficult to exploit 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 unauthorized update, insert or delete access to some of Oracle Solaris accessible data as well as unauthorized read access to a subset of Oracle Solaris accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Solaris. CVSS 3.1 Base Score 4.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L).

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:o:oracle:solaris:11.4:*:*:*:*:*:*:*
Type Values Removed Values Added
Title Local Privilege Escalation in Oracle Solaris X Window System Allows Data Modification
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Local Privilege Escalation in Oracle Solaris X Window System Allows Data Modification
Type Values Removed Values Added
Title Local Privilege Escalation via X Window in Oracle Solaris 11.4
Weaknesses CWE-20
CWE-284
Type Values Removed Values Added
Title Local Privilege Escalation via X Window in Oracle Solaris 11.4
Weaknesses CWE-20
CWE-269
CWE-284
Type Values Removed Values Added
Description Vulnerability in the Oracle Solaris product of Oracle Systems (component: X Window System). The supported version that is affected is 11.4. Difficult to exploit 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 unauthorized update, insert or delete access to some of Oracle Solaris accessible data as well as unauthorized read access to a subset of Oracle Solaris accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Solaris. CVSS 3.1 Base Score 4.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L).
First Time appeared Oracle
Oracle solaris
CPEs cpe:2.3:a:oracle:solaris:11.4:*:*:*:*:*:*:*
Vendors & Products Oracle
Oracle solaris
References
Metrics cvssV3_1

{'score': 4.5, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
oracle
Published
Updated
Oct 21, 2026, 2:17 PM
Reserved
Sep 8, 2026, 9:49 PM
Status
Analyzed
Published
Oct 20, 2026, 10:20 PM
Modified
Nov 9, 2026, 9:30 PM