CVE
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 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.
Package Versions Affected
Package Version
patch Availability
No items found.
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Fix Without Upgrading
Detect compatible fix
Apply safe remediation
Fix with a single pull request
CVSS Version
Severity
Base Score
CVSS Version
Score Vector
C
H
U
9.9
-
3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
C
H
U
10
-
3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Related Resources
No items found.
References
https://github.com/microsoft/semantic-kernel/releases/tag/python-1.39.4, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/26xxx/CVE-2026-26030.json, https://github.com/microsoft/semantic-kernel/security/advisories/GHSA-xjw9-4gw8-4rqx, https://nvd.nist.gov/vuln/detail/CVE-2026-26030, https://github.com/microsoft/semantic-kernel/pull/13505
Basic Information
Ecosystem
