CVE-2026-50510: Improper restriction of names for files and other resources in Github Copilot allows an unauthorized attacker to execute
highvulnerabilityLLM-Specific
security
Summary
CVE-2026-50510 is a vulnerability in GitHub Copilot where improper file naming restrictions allow an unauthorized attacker to execute code on a user's local machine. The vulnerability is classified as CWE-641 (improper restriction of names for files and other resources), and details are being tracked by Microsoft and NIST.
Vulnerability Details
CVSS Score
7.8(high)
EPSS (30-day exploit probability)
EPSS: 0.0%
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
local
Attack Complexity
low
Privileges Required
none
User Interaction
required
Disclosure Date
July 14, 2026
Classification
Attack Type
Other
Attack SophisticationModerate
Impact (CIA+S)
integrityconfidentiality
Taxonomy References
CWE (Weakness Type)
Affected Vendors
Microsoft
Related Issues
Monthly digest — independent AI security research
Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-50510
First tracked: July 14, 2026 at 08:07 PM
Classified by LLM (prompt v3) · confidence: 85%