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CVE-2026-26030

CRITICAL CVSS: 9.9 Published: 2026-02-19 Modified: 2026-06-17

Description

Semantic Kernel, Microsoft's semantic kernel Python SDK, has a remote code execution vulnerability in versions prior to 1.39.4, specifically within the `InMemoryVectorStore` filter functionality. The problem has been fixed in version `python-1.39.4`. Users should upgrade this version or higher. As a workaround, avoid using `InMemoryVectorStore` for production scenarios.

Affected Platforms

Microsoft Semantic Kernel

Weakness Type

CWE-94

References