Unknown severity · Source severity not reportedCVE-2026-76283

Protection Mechanism Failure in Splunk EnterpriseCVE-2026-76283

Answer in brief

CVE-2026-76283 records a Unknown severity vulnerability in Protection Mechanism Failure in Splunk Enterprise. The current sources do not mark it as known exploited. The current feed maps Splunk/Splunk Enterprise (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 7, 2026Updated Oct 7, 2026Source checked Oct 7, 2026First seen by HOL Oct 7, 2026Material review Oct 7, 2026

Upstream Advisory

Key facts

Risk: Unknown severitySource severity not reported
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Available

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Splunk/Splunk Enterprise (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Splunk/Splunk Enterprisegeneric	>=10.4 <10.4.3 \|\| >=10.2 <10.2.7 \|\| >=10.0 <10.0.10 \|\| >=9.4 <9.4.15	10.4.3, 10.2.7, 10.0.10, 9.4.15

Recommended response

Check inventory. Check lockfiles and deployed manifests for Splunk/Splunk Enterprise.
Review the reported fix. Source-reported solution: Upgrade Splunk Enterprise to versions 10.4.3, 10.2.7, 10.0.10, and 9.4.15, or higher.

Evidence timeline and material changes

Published upstream
Oct 7, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Oct 7, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Oct 7, 2026

Sources and claim methodology

Source referenceadvisory.splunk.com

Upstream source description

Protection Mechanism Failure. Splunk addressed multiple internally identified vulnerabilities in Splunk Enterprise versions 10.4.3, 10.2.7, 10.0.10, and 9.4.15. The vulnerabilities are grouped by Common Weakness Enumeration (CWE), with one Common Vulnerabilities and Exposures (CVE) identifier assigned to each group. See Details for more information.

Quoted source text, attributed separately from HOL analysis.