{
 "id": "AIR-2026-0962",
 "slug": "cve-2026-21523-race-condition-in-github-copilot-and-visual-s",
 "title": "CVE-2026-21523: Race condition in GitHub Copilot and Visual Studio",
 "summary": "A time-of-check time-of-use race condition in GitHub Copilot and Visual Studio allows an authorized attacker to execute code over a network. No active exploitation has been confirmed.",
 "type": "attack_on_ai",
 "categories": [
  "infra_vuln"
 ],
 "severity": 2,
 "targets": [
  "Microsoft"
 ],
 "products": [
  "GitHub Copilot",
  "Visual Studio"
 ],
 "incident_date": "2026-02-10",
 "incident_date_precision": "day",
 "first_reported": "2026-02-10",
 "sources": [
  {
   "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-21523",
   "publisher": "NVD",
   "title": "CVE-2026-21523: Time-of-check time-of-use (toctou) race condition in GitHub Copilot and Visual Studio allows an authorized attacker to execute…",
   "published_at": "2026-02-10"
  }
 ],
 "source_count": 1,
 "confidence": 0.95,
 "status": "published",
 "origin": "seed_nvd",
 "tags": [
  "CVE-2026-21523",
  "toctou",
  "rce"
 ],
 "created_at": "2026-10-18T10:04:21.885Z",
 "updated_at": "2026-10-18T10:04:21.885Z"
}