CVE-2026-45482 json
Microsoft Visual Studio Code CoPilot Chat Security Feature Bypass Vulnerability
published 2026-06-09 5 mo ago modified 2026-09-24 45 d ago also EUVD-2026-35547
- cvss
- 8.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 28%
- public exploits
- 0
- none known
Summary
Improper limitation of a pathname to a restricted directory ('path traversal') in GitHub Copilot and Visual Studio Code allows an unauthorized attacker to bypass a security feature locally.
Patch / fix
- Microsoft Microsoft Visual Studio Code CoPilot Chat Extension 1.123.2
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 4 mo ago
Exploit prediction
0.34% chance of exploitation in the next 30 days, higher than 28% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.4 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C |
| CNA | 3.1 | 8.4 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Microsoft Microsoft Visual Studio Code CoPilot Chat Extension
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2026-45482
vendor-advisory, patch
Sources
- CVE List CVE-2026-45482
- NVD CVE-2026-45482
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