Vulnerability in the Oracle Solaris product of Oracle Systems (component: Driver).
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
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).
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Oracle | Oracle Solaris | 11 | — | No fix listed | CNA |
- Oracle Solaris VendorOracle Affected 11 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Oracle Solaris — oracle.com/security-alerts/cpujan2026.html
4 records Highest priority Priority LOW 4 LOW
Other records, highest priority first
- TI-2026-17628 Information disclosure in Oracle SolarisPriority LOW 30
- TI-2026-17635 Vulnerability in the Oracle Solaris product of Oracle Systems (component: Driver).Priority LOW 27
- TI-2026-17642 Uncontrolled resource consumption in Oracle SolarisPriority LOW 22
Timeline
- 2026-10-02 Threatist record created from CVE-2026-21927
- 2026-10-03 Alias added: GHSA-f4hj-p58g-9m5p
References
Advisory 1
More Oracle Solaris vulnerabilities
- TI-2020-11706 Out-of-bounds write in Oracle Solaris Operating System KEVCVSS 3.1CRITICAL 10.0
- TI-2019-02533 Vulnerability in the Oracle Solaris product of Oracle Systems (component: XScreenSaver). KEVCVSS 3.1HIGH 8.8
- TI-2015-03773 The PDF reader in Mozilla Firefox before 39.0.3, Firefox ESR 38.x before 38.1.1, and… KEVCVSS 3.1HIGH 8.8
- TI-2008-02866 Stack-based buffer overflow in Adobe Acrobat and Reader 8.1.2 and earlier allows remote… KEVCVSS 3.1HIGH 7.8
- TI-2015-04610 Assertion failure in ISC BIND named via TKEY queries KEVCVSS 3.1HIGH 7.5
- TI-2007-00858 Argument injection vulnerability in the telnet daemon (in.telnetd) in Solaris 10 and 11… CVSS 2.0HIGH 10.0
Sources
- CVE-2026-21927 · CVE Program
- CVE-2026-21927 · NVD
- FIRST EPSS
- GHSA-f4hj-p58g-9m5p · GitHub Advisory Database · CC BY 4.0
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