cve 2026 21257

  1. CVE-2026-21257: Urgent AI Tooling Flaw in Copilot Visual Studio Patch Now

    Microsoft's security portfolio now includes a vendor-assigned advisory for CVE-2026-21257 — a vulnerability tied to GitHub Copilot and Visual Studio that vendors classify as an elevation-of-privilege / security feature bypass problem affecting AI-assisted editing and extension workflows. The...
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