Splunk Enterprise is widely used across organizations; a CVSS 9.8 vulnerability enabling RCE/system takeover would disrupt logging, SIEM, and incident response at scale.
CVE-2026-76284
Critical input-neutralization flaws in Splunk Enterprise enabling remote code execution or system takeover.
Is CVE-2026-76284 being exploited?
Not confirmed. CVE-2026-76284 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.33% probability of exploitation in the next 30 days.
How severe is CVE-2026-76284?
CVE-2026-76284 is rated Critical with a CVSS score of 9.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-76284?
Yes. A fix has been recorded for CVE-2026-76284. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-76284 affect?
CVE-2026-76284 affects Splunk Enterprise, Versions prior to fixes: pre-10.4.3, pre-10.2.7, pre-10.0.10, pre-9.4.15. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-76284?
Apply vendor fixes immediately; restrict Splunk management access and monitor logs.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote code execution/command injection via crafted inputs, enabling data exfiltration, service disruption, and full host compromise.
Immediate action required
- affected>= 10.4 and < 10.4.3
- affected>= 10.2 and < 10.2.7
- affected>= 10.0 and < 10.0.10
- affected>= 9.4 and < 9.4.15
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.