CVE-2026-21516

  1. Yack CVE
  2. Vulnerabilities (CVE)
  3. CVE-2026-21516

8.8 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

I

mproper neutralization of special elements used in a command ('command injection') in Github Copilot allows an unauthorized attacker to execute code over a network.

References
Link Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21516 Vendor Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:microsoft:github_copilot:*:*:*:*:*:jetbrains:*:*
History

11 Feb 2026, 21:40

Type Values Removed Values Added
First Time Microsoft github Copilot
Microsoft
CPE cpe:2.3:a:microsoft:github_copilot:*:*:*:*:*:jetbrains:*:*
References () https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21516 - () https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21516 - Vendor Advisory

10 Feb 2026, 18:16

Type Values Removed Values Added
New CVE
Information

Published : 2026-02-10 18:16

Updated : 2026-02-11 21:40

NVD link : CVE-2026-21516

Mitre link : CVE-2026-21516

CVE.ORG link : CVE-2026-21516

JSON object : View

Products Affected

microsoft

CWE
CWE-77

Improper Neutralization of Special Elements used in a Command ('Command Injection')