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Microsoft Security Response CenterCVE-2026-72649

Deserialization of Untrusted Data in Elasticsearch Leading to Remote Code Execution

Mariner

Read the vendor bulletin Get alerts for azl3 rubygem-elasticsearch 8.9.0-1 on Azure Linux
8.8CVSS out of 10High severity
Scope

What the vendor says is affected

  • azl3 rubygem-elasticsearch 8.9.0-1 on Azure Linux 3.0
Next step

What the vendor recommends

See the Microsoft Security Update Guide for the update that applies to your product.

Review the complete instructions on the vendor's site
Timeline

When this advisory changed

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.

  3. Confirmed at the source

    Our collector saw this advisory during a later source check.

Vulnerabilities

CVEs named in this advisory

CVE-2026-72649View CVSS, KEV, EPSS, and threat context
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