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MSRC_CVE-2026-50519
Vulnerability from csaf_microsoft - Published: 2026-06-09 07:00 - Updated: 2026-06-09 07:00Summary
Microsoft Visual Studio Code CoPilot Chat Security Feature Bypass Vulnerability
Severity
Important
Notes
Additional Resources: To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
Disclaimer: The information provided in the Microsoft Knowledge Base is provided \"as is\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.
Customer Action: Required. The vulnerability documented by this CVE requires customer action to resolve.
CWE-1188
- Initialization of a Resource with an Insecure Default
Affected products
Fixed
1 product
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
GitHub Copilot Chat 1.123.2
GitHub Copilot Chat
|
1.123.2 |
Known affected
1 product
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
GitHub Copilot Chat <1.123.2
GitHub Copilot Chat
|
<1.123.2 |
Vendor Fix
fix
|
Threats
Impact
Information Disclosure
Exploit Status
Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely
References
7 references
Acknowledgments
Tri Wanda Septian
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"text": "To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle",
"title": "Additional Resources"
},
{
"category": "legal_disclaimer",
"text": "The information provided in the Microsoft Knowledge Base is provided \\\"as is\\\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.",
"title": "Disclaimer"
},
{
"category": "general",
"text": "Required. The vulnerability documented by this CVE requires customer action to resolve.",
"title": "Customer Action"
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"publisher": {
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"name": "Microsoft Security Response Center",
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"references": [
{
"category": "self",
"summary": "CVE-2026-50519 Microsoft Visual Studio Code CoPilot Chat Security Feature Bypass Vulnerability - HTML",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50519"
},
{
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"summary": "CVE-2026-50519 Microsoft Visual Studio Code CoPilot Chat Security Feature Bypass Vulnerability - CSAF",
"url": "https://msrc.microsoft.com/csaf/advisories/2026/msrc_cve-2026-50519.json"
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"url": "https://support.microsoft.com/lifecycle"
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{
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"url": "https://www.first.org/cvss"
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"title": "Microsoft Visual Studio Code CoPilot Chat Security Feature Bypass Vulnerability",
"tracking": {
"current_release_date": "2026-06-09T07:00:00.000Z",
"generator": {
"date": "2026-06-18T21:22:26.249Z",
"engine": {
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"version": "1.0"
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"initial_release_date": "2026-06-09T07:00:00.000Z",
"revision_history": [
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"product_tree": {
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"vulnerabilities": [
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"cwe": {
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"name": "Initialization of a Resource with an Insecure Default"
},
"notes": [
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"product_status": {
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"known_affected": [
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"references": [
{
"category": "self",
"summary": "CVE-2026-50519 Microsoft Visual Studio Code CoPilot Chat Security Feature Bypass Vulnerability - HTML",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50519"
},
{
"category": "self",
"summary": "CVE-2026-50519 Microsoft Visual Studio Code CoPilot Chat Security Feature Bypass Vulnerability - CSAF",
"url": "https://msrc.microsoft.com/csaf/advisories/2026/msrc_cve-2026-50519.json"
}
],
"remediations": [
{
"category": "vendor_fix",
"date": "2026-06-09T07:00:00.000Z",
"details": "1.123.2:Security Update:https://code.visualstudio.com/updates/",
"product_ids": [
"1"
],
"url": "https://code.visualstudio.com/updates/"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"environmentalsScore": 0.0,
"exploitCodeMaturity": "UNPROVEN",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"remediationLevel": "OFFICIAL_FIX",
"reportConfidence": "CONFIRMED",
"scope": "UNCHANGED",
"temporalScore": 5.7,
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C",
"version": "3.1"
},
"products": [
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],
"threats": [
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"category": "impact",
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},
{
"category": "exploit_status",
"details": "Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely"
}
],
"title": "Microsoft Visual Studio Code CoPilot Chat Security Feature Bypass Vulnerability"
}
]
}