HIGH 8.8 Microsoft
CVE-2026-72649
Deserialization of Untrusted Data in Elasticsearch Leading to Remote Code Execution
Microsoft Security Update 2026-Sep: Deserialization of Untrusted Data in Elasticsearch Leading to Remote Code Execution
Affected Products
- azl3 rubygem-elasticsearch 8.9.0-1 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-72649
- https://nvd.nist.gov/vuln/detail/CVE-2026-72649
This high severity vulnerability with a CVSS score of 8.8 was published on 2026-09-08 via Microsoft. Affected: azl3 rubygem-elasticsearch 8.9.0-1 on Azure Linux 3.0.
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