Security Hardening in Splunk Enterprise - October 2026

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.

Scores

EPSS (exploitation in 30 days)

0.38% · top 68% of all CVEs (6 Nov 2026)

CISA SSVC

Exploitation: none · Automatable: yes · Technical impact: total

The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.

Weakness

• CWE-693: The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product. (opens in a new tab)All about CWE-693 and its CVEs

Affected products

• Splunk · Splunk Enterprise

  • affected 10.4 – < 10.4.4
  • affected 10.2 – < 10.2.8
  • affected 10.0 – < 10.0.11
  • affected 9.4 – < 9.4.16

What to do

Solution: Upgrade Splunk Enterprise to versions 10.4.4, 10.2.8, 10.0.11, and 9.4.16 or higher.

References (1)

• https://advisory.splunk.com/advisories/SVD-2026-1008 (opens in a new tab)

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2026-76301](https://trackcve.app/badge/CVE-2026-76301.svg)](https://trackcve.app/cve/CVE-2026-76301)

Record last updated 28 Oct 2026, 02:04 UTC.