EUVD-2026-73297
GHSA-w2g5-8p9x-93xj
Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
Network delivery via crafted content, user interaction gates exploitation, scope escapes VS Code sandbox to host filesystem yielding high confidentiality; no write or availability impact.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
3DescriptionCVE.org
Improper limitation of a pathname to a restricted directory ('path traversal') in Visual Studio Code allows an unauthorized attacker to bypass a security feature over a network.
AnalysisAI
Path traversal in Visual Studio Code versions prior to 1.136.2 enables a remote unauthenticated attacker - contingent on user interaction - to escape the editor's restricted directory boundary and read sensitive files from the host system, effectively bypassing a security feature such as workspace trust or sandbox isolation. The vulnerability carries a CVSS 7.4 with Scope:Changed and C:H, reflecting that the impact crosses from VS Code's own context into broader host file system access. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | User interaction is required: the victim must actively open a crafted file, folder, workspace, or remote repository in VS Code. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | CVSS 7.4 (AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N) reflects a meaningful but user-interaction-gated risk: an attacker cannot exploit this silently against idle systems; a victim must open a crafted file, workspace, or remote content. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade Visual Studio Code to version 1.136.2 or later, which contains the vendor-released patch per the MSRC advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-78461. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, identify all VS Code instances running versions prior to 1.136.2 across your development infrastructure and issue a security notice to development teams warning against opening untrusted workspaces; restrict remote development features if feasible. …
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External POC / Exploit Code
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