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CVE Vulnerability Details :
CVE-2026-26030
PUBLISHED
More InfoOfficial Page
Assigner-GitHub_M
Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa
View Known Exploited Vulnerability (KEV) details
Published At-19 Feb, 2026 | 16:00
Updated At-20 Feb, 2026 | 04:55
Rejected At-
▼CVE Numbering Authority (CNA)
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.

Affected Products
Vendor
Microsoft Corporationmicrosoft
Product
semantic-kernel
Versions
Affected
  • < 1.39.4
Problem Types
TypeCWE IDDescription
CWECWE-94CWE-94: Improper Control of Generation of Code ('Code Injection')
Type: CWE
CWE ID: CWE-94
Description: CWE-94: Improper Control of Generation of Code ('Code Injection')
Metrics
VersionBase scoreBase severityVector
3.110.0CRITICAL
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Version: 3.1
Base score: 10.0
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/microsoft/semantic-kernel/security/advisories/GHSA-xjw9-4gw8-4rqx
x_refsource_CONFIRM
https://github.com/microsoft/semantic-kernel/pull/13505
x_refsource_MISC
https://github.com/microsoft/semantic-kernel/releases/tag/python-1.39.4
x_refsource_MISC
Hyperlink: https://github.com/microsoft/semantic-kernel/security/advisories/GHSA-xjw9-4gw8-4rqx
Resource:
x_refsource_CONFIRM
Hyperlink: https://github.com/microsoft/semantic-kernel/pull/13505
Resource:
x_refsource_MISC
Hyperlink: https://github.com/microsoft/semantic-kernel/releases/tag/python-1.39.4
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found