CVE-2026-21516
Improper neutralization of special elements used in a command ('command injection') in Github Copilot allows an unauthorized attacker to execute code over a network.
Published:Feb 10, 2026
Last Modified:Apr 15, 2026
EPS:Feb 10, 2026
EPSS Score:0.00026
CVSS Score:8.8
Affected Products
Vendor
Product
Action
Vendor
Microsoft
Product
Gihub Copilot Plugin For Jetbrains Ides
Microsoft
Gihub Copilot Plugin For Jetbrains Ides
Vendor
Microsoft
Product
Github Copilot
Microsoft
Github Copilot
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Related CVEs
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
