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CVE-2026-46914

Published: Jun 16, 2026Updated: Jun 18, 2026 Sources: CVE List NVDCWE-269
7.1HIGH
NVD MITRE
EPSS Score
0.2%
Top 94.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

Description

Vulnerability in the Oracle Solaris product of Oracle Systems (component: Filesystem). 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 unauthorized access to critical data or complete access to all Oracle Solaris accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Solaris. CVSS 3.1 Base Score 7.1 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H).

In plain language

AI Worth attention

CVE-2026-46914 is a filesystem flaw in Oracle Solaris 11.4 that lets a low-privileged attacker crash the system and potentially access sensitive data if they can log in to your Solaris host; a typical small business should act if it runs this specific version.

Executive summary

Unauthenticated access is not indicated, but CWE-269/CWE-400 points to improper trust/handling in a filesystem component of Oracle Solaris 11.4, where a low-privileged attacker with a logon to the host can compromise the system’s confidentiality and reliability (including repeatable crashes/denial of service).

If affected, business impact
Sensitive data exposureRepeatable system crashesService downtimeCompromise of host data

What to do now

  1. Check whether your environment is running Oracle Solaris 11.4 (this issue is specifically for 11.4 per the finding).
  2. Review Oracle’s security alert for CVE-2026-46914 and identify the exact patch/fix it provides for your Solaris 11.4 update stream.
  3. Plan and apply the vendor remediation from Oracle’s security alert as soon as possible, following Oracle’s upgrade/patching procedure for your maintenance window.
  4. If you cannot patch immediately, reduce the chance of a low-privileged login from untrusted networks (tighten access controls and limit who can log in to the Solaris host), and monitor the host for instability or repeated crashes.
Patch / advisory Some work to apply

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:HI:NA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-269CWE-400

Affected Products

Oracle Corporation
commercial·USaka oracle, oracle corp.
solarisOS
Operating Systems / unix-bsd
Oracle SolarisOn-premOS
Operating Systems / unix-bsd

Exploitability

Official Patch Available
Is your org exposed to CVE-2026-46914?We can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

2 techniques
Impact
Privilege Escalation
View detailed technique mapping

References

https://www.oracle.com/security-alerts/cspujun2026.html
oracle.com

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