CVE-2026-50519

MEDIUM

Microsoft Visual Studio Code CoPilot Chat Security Feature Bypass Vulnerability

Title source: cna
STIX 2.1

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.

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory patch
Microsoft Visual Studio Code CoPilot Chat Security Feature Bypass Vulnerability
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50519

Scores

CVSS v3 6.5
EPSS 0.0051
EPSS Percentile 40.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-1188
Status published
Products (2)
Microsoft/GitHub Copilot Chat 1.0.0 - 1.123.2
microsoft/github_copilot_chat < 1.123.2
Published Jun 19, 2026
Tracked Since Jun 20, 2026