No exploitation reported

CVE-2026-50519

Microsoft Visual Studio Code CoPilot Chat Security Feature Bypass Vulnerability

No exploitation reported by the sources we read.

Published2026-06-19
WeaknessCWE-1188

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC

2026-06-1921:17CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 15:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2026-50519?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2026-50519?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Microsoft github copilot chatversion to verify

Branch	Affected	Fixed in	Source
—	all versions	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

msrc.microsoft.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CISA-ADPSSVC decisionnone2026-06-22
OpenCVESSVC decisionnone—
CNACVSS 3.16.5read 2026-10-23
NVDCVSS 3.17.5read 2026-10-23
CNAweakness (CWE)CWE-1188read 2026-10-23
NVDweakness (CWE)CWE-1188read 2026-10-23
FIRST EPSSEPSS score0.9 %2026-10-22
Microsoft MSRCadvisory—

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published: 2026-06-19
Last Modified: 2026-08-17
NVD status: Analyzed
MSRC Title: Microsoft Visual Studio Code CoPilot Chat Security Feature Bypass Vulnerability

Frequently asked questions

What is CVE-2026-50519?

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.

Is CVE-2026-50519 actively exploited?

Active exploitation of CVE-2026-50519 has not been confirmed. Its EPSS score was 0.9% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-50519?

CVE-2026-50519 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

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