VDB

CVE-2026-21256

CVE-2026-21256 PUBLISHED CVSS 8 HIGH

Improper neutralization of special elements used in a command ('command injection') in GitHub Copilot and Visual Studio allows an unauthorized attacker to execute code over a network.

EPSS 0.05% · 14.5th percentile

Risk Scores

CVSS v3.1
8
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
EPSS Score
0.05%
14.5th percentile

Affected Products

VendorProductVersions
MicrosoftPower BI Report Server1.6.0
microsoftpower_bi_report_server1.6.0
microsoftvisual_studio_202217.14.0, 17.14.0, 17.14.0
MicrosoftN/A

Timeline

  • Feb 10, 2026 CVE Published
  • Feb 10, 2026 PoC Published
  • Feb 11, 2026 EPSS Score
  • Feb 13, 2026 EPSS Score
  • Feb 15, 2026 EPSS Score
  • Feb 17, 2026 EPSS Score
  • Feb 19, 2026 EPSS Score
  • Feb 21, 2026 EPSS Score
  • Feb 23, 2026 EPSS Score
  • Feb 25, 2026 EPSS Score
  • Feb 27, 2026 EPSS Score
  • Mar 1, 2026 EPSS Score
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