CVE-2026-26030 — Microsoft Semantic Kernel InMemoryVectorStore filter functionality vulnerable to remote code execution
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` fil…
Published: 2026-02-19 · CVSS: 10.0 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7