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Cross-site scripting in Visual Studio Code

IdentifiersCVE-2026-41611CWE-79· Improper Neutralization of Input…

CVE-2026-41611 is an improper neutralization of script-related HTML tags in a web page (basic XSS) affecting Visual Studio Code. Based on the provided content, insufficient sanitization of script-capable HTML content allows attacker-controlled markup or script-related tags to be rendered in a VS Code web page context, resulting in script execution on the local system. The available information does not identify the specific vulnerable component, function, or rendering surface within VS Code.

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For your environment

Are you exposed to this one?

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation allows an unauthorized attacker to execute code locally in the context of the affected Visual Studio Code environment. Depending on the privileges of the user running VS Code and the capabilities of the affected webview or renderer context, this could enable arbitrary script execution, access to locally available application data in that context, and follow-on actions on the host.

Mitigation

If you can’t patch tonight, do this now.

Until patches are applied, reduce exposure by avoiding untrusted content, workspaces, extensions, or files that could cause attacker-controlled HTML to be rendered inside Visual Studio Code. Limit use of unnecessary extensions and restrict opening untrusted projects or content in privileged local environments. The provided content does not include any vendor-published workaround specific to this CVE.

Remediation

Patch, then assume compromise.

Apply the Microsoft security update for Visual Studio Code that addresses CVE-2026-41611. The provided content does not include fixed version numbers or product build details, so that information is currently not available from the supplied sources.
PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType
Microsoft CorporationVisual Studio Codeapplication

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets are affected, which adversaries are exploiting it right now, which detections to deploy, and what to do tonight.
Exposure mapping

Query your assets running an affected version, and investigate the blast radius.

Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity

Community discussion across Reddit, Mastodon, and other social sources.