How severe is CVE-2026-21935?

CVE-2026-21935 has a CVSS 3.x base score of 5.8, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2026-21935 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-21935?

CVE-2026-21935 affects Oracle Solaris. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-21935?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-21935 have an EU (EUVD) identifier?

Yes. CVE-2026-21935 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-3574.

When was CVE-2026-21935 published?

CVE-2026-21935 was published on 2026-01-20 and last updated on 2026-06-17.

CVE-2026-21935

CVE-2026-21935 is a medium-severity vulnerability in Oracle Solaris with a CVSS 3.x base score of 5.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.8)
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-3574
Affected product: Oracle Solaris
Published: 2026-01-20
Last modified: 2026-06-17

Description

Vulnerability in the Oracle Solaris product of Oracle Systems (component: Driver). The supported version that is affected is 11. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where Oracle Solaris executes to compromise Oracle Solaris. Successful attacks require human interaction from a person other than the attacker. 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 5.8 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N).

Frequently asked questions

What is CVE-2026-21935?: Vulnerability in the Oracle Solaris product of Oracle Systems (component: Driver). The supported version that is affected is 11. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where Oracle Solaris executes to compromise Oracle Solaris. Successful attacks require human interaction from a person other than the attacker. 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 5.8 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N).
How severe is CVE-2026-21935?: CVE-2026-21935 has a CVSS 3.x base score of 5.8, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2026-21935 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-21935?: CVE-2026-21935 affects Oracle Solaris. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-21935?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-21935 have an EU (EUVD) identifier?: Yes. CVE-2026-21935 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-3574.
When was CVE-2026-21935 published?: CVE-2026-21935 was published on 2026-01-20 and last updated on 2026-06-17.

References

https://www.oracle.com/security-alerts/cpujan2026.html

Affected products (1)

cpe:2.3:o:oracle:solaris:11:*:*:*:*:*:*:*

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