CVE-2026-50519

Microsoft Visual Studio Code CoPilot Chat Security Feature Bypass Vulnerability

HIGH
7.5
CVSS Score
Published: June 19, 2026 at 08:28 PM UTC
Updated: October 25, 2026 at 11:10 PM UTC
1 product affected across 1 vendorGitHub Copilot Chat· also runs on 1 platform

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Severity
HIGH7.5
Exploit prediction
EPSS 0.9%
SSVC
No known exploit

Description

Initialization of a resource with an insecure default in GitHub Copilot and Visual Studio Code allows an unauthorized attacker to disclose information over a network.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions1.0.0
Affected range stops below 1.123.2, so it looks safe — our inference, not a vendor statement
microsoft-visual-studio-code (environment)

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (1)

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-1188

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