CVE-2026-50519 json
Microsoft Visual Studio Code CoPilot Chat Security Feature Bypass Vulnerability
published 2026-06-19 4 mo ago modified 2026-10-25 14 d ago also EUVD-2026-38089
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 60%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- Microsoft GitHub Copilot Chat 1.123.2
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 4 mo ago
Exploit prediction
0.92% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.5 | 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 |
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Affected products
- Microsoft GitHub Copilot Chat
Classification
- Weakness
-
- CWE-1188 Initialization of a Resource with an Insecure Default
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2026-50519
vendor-advisory, patch
Sources
- CVE List CVE-2026-50519
- NVD CVE-2026-50519
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.