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Elastic Agent 8.19.21, 9.4.6, 9.5.2 Security Update (ESA-2026-150)

🗓️ 01 Sep 2026 22:33:15Reported by ElasticCoType 
elastic
 elastic
🔗 discuss.elastic.co👁 3 Views

Local privilege escalation to SYSTEM in Elastic Agent via unprivileged Windows installation.

Related
Detection
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-78604
1 Sep 202622:33
cve
Vulners
Node
OR
elasticelastic_agentRange8.x: All versions from 8.0.08.19.20
elasticelastic_agentRangeAll versions from 9.0.09.4.5
elasticelastic_agentRangeAll versions from 9.5.09.5.1

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01 Sep 2026 22:33Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.17.8
3