How severe is CVE-2026-46978?

CVE-2026-46978 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2026-46978 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-46978?

CVE-2026-46978 affects Oracle Solaris. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-46978?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-46978 have an EU (EUVD) identifier?

Yes. CVE-2026-46978 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-37287.

When was CVE-2026-46978 published?

CVE-2026-46978 was published on 2026-06-17 and last updated on 2026-06-26.

CVE-2026-46978

CVE-2026-46978 is a critical-severity vulnerability in Oracle Solaris with a CVSS 3.x base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.

Key facts

Severity: Critical (CVSS 3.x base score 10.0)
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-37287
Weakness: CWE-284
Affected product: Oracle Solaris
Published: 2026-06-17
Last modified: 2026-06-26

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).

Frequently asked questions

What is CVE-2026-46978?: 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).
How severe is CVE-2026-46978?: CVE-2026-46978 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2026-46978 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-46978?: CVE-2026-46978 affects Oracle Solaris. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-46978?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-46978 have an EU (EUVD) identifier?: Yes. CVE-2026-46978 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-37287.
When was CVE-2026-46978 published?: CVE-2026-46978 was published on 2026-06-17 and last updated on 2026-06-26.

References

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

Affected products (1)

cpe:2.3:o:oracle:solaris:11.4:*:*:*:*:*:*:*

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