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CRITICAL severity

CVE-2026-46978 — Solaris

CRITICAL

CVE-2026-46978 is a critical-severity (CVSS 10) CWE-284 vulnerability in oracle solaris. No vendor fix is recorded yet; mitigation options are listed below.

Vulnerability in the Oracle Solaris product of Oracle Systems (component: Remote Administration Daemon). The supported version that is affected is 11.4. Easily exploitable vulnerability…

Published
Updated
Affected
1 product
Patched
See advisory
Exploits
None indexed
Exploitation data as of Oct 9, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

No confirmed exploitation observed yet

  • CISA assesses this as automatable — exploitation doesn’t require manual, per-target effort, which raises the odds of mass scanning and opportunistic attacks.
  • A successful exploit gives an attacker total control of the affected component, not partial access.
  • CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.

Exploitation and automatability from CISA’s SSVC triage for CVE-2026-46978.

EPSS Exploitation Probability

via FIRST.org ↗
0.4%probability of exploitation in next 30 days
Lower Risk+0.12%
Lower risk than most CVEs35th percentile — riskier than 35% of all scored CVEsHighest risk
0.00%0.31%0.62%0.93%0.3%0.3%0.4%Aug 26Sep 26Oct 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

CVE-2026-46978 by exploitation likelihood (EPSS) against impact (CVSS). Outside the shaded patch-first corner.

Where this sits among everything scored

Of 384,993 CVEs with a current EPSS score, this one falls in the < 10% band (highlighted). Counts from FIRST.org, log-scaled.

Description

Vulnerability in the Oracle Solaris product of Oracle Systems (component: Remote Administration Daemon). The supported version that is affected is 11.4. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTPS to compromise Oracle Solaris. While the vulnerability is in Oracle Solaris, attacks may significantly impact additional products (scope change). 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 10.0 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N).

Affected Products

1 product · 1 configurations
OS
solarisoracle
1 version
11.4

Detection & mitigation playbook

Vendor / appliance
  1. Detect

    Inventory every oracle solaris deployment and check each version against the affected-products list above.

  2. Remediation status

    No patch has shipped for CVE-2026-46978 yet — track the oracle solaris advisory for a fixed release and apply the workarounds below in the meantime.

  3. Mitigate without a patch

    Put an independent control in front of the weakness: restrict the affected endpoint or interface to trusted networks, require an additional authentication factor or proxy-level check, and invalidate existing sessions and credentials in case the flaw has already been used. Alongside that, restrict the management interface to trusted networks and apply the vendor's recommended configuration mitigations.

Frequently Asked Questions

Vulnerability in the Oracle Solaris product of Oracle Systems (component: Remote Administration Daemon). The supported version that is affected is 11.4. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTPS to compromise Oracle Solaris. While the vulnerability is in Oracle Solaris, attacks may significantly impact additional products (scope change). 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 cr
O3 Security · Runtime Protection

Is CVE-2026-46978 being exploited in your environment?

Detect and block the exploit chain at execution, on systems you cannot patch yet.

CVE-2026-46978: Solaris (Critical 10)