Vulnerability details
CVE-2026-76301
Splunk Enterprise
Security Hardening in Splunk Enterprise - October 2026
CVSS 3.1
9.8Critical
Official description
As part of Cisco's ongoing commitment to proactive security and product quality, Cisco has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-76301 are related to protection mechanism failure and are grouped under the Common Weakness Enumeration (CWE) CWE-693.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 9.8Critical | 3.1 | CISA ADP / Vulnrichment (CISA-ADP) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Splunk | Splunk Enterprise | 10.0 ≤ v < 10.0.11 | CVEProject cvelistV5 (CNA) |
| Splunk | Splunk Enterprise | 10.2 ≤ v < 10.2.8 | CVEProject cvelistV5 (CNA) |
| Splunk | Splunk Enterprise | 10.4 ≤ v < 10.4.4 | CVEProject cvelistV5 (CNA) |
| Splunk | Splunk Enterprise | 9.4 ≤ v < 9.4.16 | CVEProject cvelistV5 (CNA) |
References and advisories
1
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Details
- Published
- 2026-10-22
- Last updated
- 2026-10-28
- State
- Published
- Assigner (CNA)
- cisco
Exploit prediction (EPSS)
0.38%
Probability of exploitation in 30 days
32.4%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-693The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product.