High severity · published Jun 19, 2026
CVE-2026-50519
Microsoft Visual Studio Code CoPilot Chat Security Feature Bypass Vulnerability
7.5
CVSS
0.9%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 60% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GC
GitHub Copilot Chat · Microsoft
1.0.0 before 1.123.2 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-50519
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-50519
Vendor Advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50519
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