High severity · published Jun 9, 2026
CVE-2026-45482
Microsoft Visual Studio Code CoPilot Chat Security Feature Bypass Vulnerability
8.4
CVSS
0.3%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 28% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MV
Microsoft Visual Studio Code CoPilot Chat Extension · Microsoft
0.27.0 before 1.123.2 · source: vendor
VS
Visual Studio Code · Microsoft
before 1.123.2 · source: NVD
Affected product
MV
Microsoft Visual Studio Code CoPilot Chat Extension
Microsoft
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-45482
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-45482
Vendor Advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45482
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