EUVD-2026-73811
GHSA-hmqv-jrj9-68xx
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Network-exploitable via VS Code remote features with no attacker authentication needed; UI:R reflects required developer action to open attacker-controlled content.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
4DescriptionCVE.org
Authorization bypass through user-controlled key in Visual Studio Code allows an unauthorized attacker to bypass a security feature over a network.
AnalysisAI
Authorization bypass in Visual Studio Code versions 1.0.0 through 1.136.1 allows an unauthenticated network attacker to circumvent a security feature via a user-controlled key (CWE-639), with user interaction required to trigger exploitation. The CVSS 8.8 score reflects full impact across confidentiality, integrity, and availability (C:H/I:H/A:H), indicating potential complete compromise of the affected VS Code instance. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | User interaction is required (UI:R): the target developer must actively open an attacker-influenced workspace, file, or URL within VS Code - passive network exposure alone does not enable exploitation. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 8.8 vector (AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) positions this as a high-severity, low-complexity, network-reachable vulnerability with no authentication barrier on the attacker side, though the UI:R requirement means exploitation cannot be fully automated and depends on the developer taking an observable action. … 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 Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-78462. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all Visual Studio Code installations across your organization to identify instances running versions 1.0.0 through 1.136.1. …
Sign in for detailed remediation steps and compensating controls.
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External POC / Exploit Code
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