Chromium CVE-2026-87457: Race condition in Updater

{
  "id": "35fad654882dd7a58d277636b6f4e8929e6c53f43008b0652f763ed12b76463c",
  "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-87457",
  "method": "llm",
  "payload": {
    "kind": "advisory",
    "title": "Chromium CVE-2026-87457: Race condition in Updater",
    "summary": "Microsoft says Chromium addresses this vulnerability and directs readers to Google Chrome Releases for more information.",
    "evidence": "Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability.",
    "products": [
      {
        "name": {
          "value": "Microsoft Edge (Chromium-based)",
          "evidence": "Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability."
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "fixed_cves": [],
    "related_cves": [
      {
        "value": "CVE-2026-87457",
        "evidence": "Chromium CVE-2026-87457: Race condition in Updater"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "official-microsoft-security-updates",
  "document_id": 26189,
  "published_at": "2026-09-15T00:51:43+00:00"
}