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CVE-2026-78604 Incorrect Permission Assignment for Critical Resource in Elastic Agent Leading to Local Privilege Escalation to SYSTEM

🗓️ 02 Sep 2026 14:43:11Reported by elasticType 
cvelist
 cvelist
🔗 www.cve.org👁 22 Views

Elastic Agent Windows unprivileged mode grants local users SYSTEM via overly broad permissions.

Related
Affected
Refs
[
  {
    "defaultStatus": "unaffected",
    "product": "Elastic Agent",
    "vendor": "Elastic",
    "versions": [
      {
        "status": "affected",
        "versionType": "semver",
        "version": "8.0.0",
        "lessThanOrEqual": "8.19.20"
      },
      {
        "status": "affected",
        "versionType": "semver",
        "version": "9.0.0",
        "lessThanOrEqual": "9.4.5"
      },
      {
        "status": "affected",
        "versionType": "semver",
        "version": "9.5.0",
        "lessThanOrEqual": "9.5.1"
      }
    ]
  }
]

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