CVE-2026-121664 - Vulnerability Details - OpenCVE

Improper neutralization of input during web page generation ('cross-site scripting') in Visual Studio Code allows an unauthorized attacker to execute code over a network.

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00644.

Exploitation none

Automatable no

Technical Impact total

Vendors	Products
Microsoft Subscribe	Visual Studio Code Subscribe

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-121664

History

Thu, 12 Nov 2026 01:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Tue, 10 Nov 2026 18:30:00 +0000

Type	Values Removed	Values Added
Description		Improper neutralization of input during web page generation ('cross-site scripting') in Visual Studio Code allows an unauthorized attacker to execute code over a network.
Title		Visual Studio Code Remote Code Execution Vulnerability
First Time appeared		Microsoft Microsoft visual Studio Code
Weaknesses		CWE-79
CPEs		cpe:2.3:a:microsoft:visual_studio_code::::::::
Vendors & Products		Microsoft Microsoft visual Studio Code
References		https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-121664
Metrics		cvssV3_1 `{'score': 8.3, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2026-11-10T18:23:56.584Z

Updated: 2026-11-11T17:19:32.360Z

Reserved: 2026-11-03T18:52:08.480Z

Link: CVE-2026-121664

Vulnrichment

Updated: 2026-11-10T21:01:50.855Z

NVD

Status : Awaiting Analysis

Published: 2026-11-10T19:20:29.957

Modified: 2026-11-10T21:19:03.477

Link: CVE-2026-121664

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-11-11T23:30:19Z

Weaknesses

CWE-79

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