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High8.8Splunk Updated

CVE-2026-76300: Splunk: As part of Cisco's ongoing commitment to proactive security and product quality, Cisco has conducted a comprehensive internal security review

This Splunk advisory covers CVE-2026-76300 in Splunk Enterprise.

Open the Splunk advisory

Key facts

Vendor rating
High, CVSS 8.8
CISA KEV
Not listed (catalogue checked )
Affected
Splunk Enterprise 10.4 before 10.4.4; Splunk Enterprise 10.2 before 10.2.8; Splunk Enterprise 10.0 before 10.0.11 and 1 more below
Fixed in
10.4.4, 10.2.8, 10.0.11 and 1 more below
Source published
Source revised
Listed by VulniPulse
Record changed

Compiled by VulniPulse from the linked sources. How records are collected and checked.

Affected products & platforms

SplunkSplunk Enterprise

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-2026-76300 are related to improper control of a resource through its lifetime and are grouped under the Common Weakness Enumeration (CWE) CWE-664.

Affected product named by the advisory: Splunk.

Affected product named by the advisory: Splunk Enterprise.

Text from the source record.

Affected versions
  • Splunk Enterprise 10.4 before 10.4.4
  • Splunk Enterprise 10.2 before 10.2.8
  • Splunk Enterprise 10.0 before 10.0.11
  • Splunk Enterprise 9.4 before 9.4.16

Official advisory · high-confidence parse· fetched ·verify at source

How to fix CVE-2026-76300

Upgrade to a fixed release named by Splunk:

  • 10.4.4
  • 10.2.8
  • 10.0.11
  • 9.4.16

Support dates for the fixed release lines

All end-of-life dates for Splunk Enterprise

Splunk advisories, October 2026All Splunk advisories

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