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CVE-2026-76300high8.8

Security Hardening in Splunk Enterprise - October 2026

Impact

Splunk Enterprise versions 10.4 before 10.4.4, 10.2 before 10.2.8, 10.0 before 10.0.11, and 9.4 before 9.4.16 have a weakness where the software does not maintain control over a resource. The impact is unclear. Local access may be required.

Summarized by @cf/meta/llama-3.3-70b-instruct-fp8-fast. Verify details against the original sources.

What to do

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

cisco guidance

Affected packages

This source has no supported package-version data for matching. You can read the advisory here, but this record alone cannot power a dependency check.

Affected products

Vendor version evidence. Product records are separate from automatic dependency matching.

Splunk · cisco

Splunk Enterprise

4 ranges
cisco version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

10.4 → before 10.4.4

custom versions

10.2 → before 10.2.8

custom versions

10.0 → before 10.0.11

custom versions

9.4 → before 9.4.16

custom versions

unaffected

unknown

Other versions: unknown

Original source 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.

Inside the record

Evidence available

Package identity · not supplied
Version evidence
Remediation guidance
Weakness classification
Additional publishers

Describes the evidence in this view, not whether the product is safe.

Original records

CVE-2026-76300

View the latest unmodified CVE JSON from the official source. It may be newer than this imported page.

cve.new JSON →

Underlying weaknesses

The source’s classification of what caused the vulnerability.

CWE-664 ↗

The software does not maintain or incorrectly maintains control over a resource throughout its lifetime of creation, use, and release.

cisco

Related →
Contributing organizations · 2
cisco

Assigning organization

2026-10-21
CISA-ADP

Additional data publisher

2026-10-26

What changed

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Large field values are marked as truncated previews. Original source snapshots remain retained.

References

1 sources
advisory.splunk.com/advisories/SVD-2026-1008
Security advisorycisco