excel xss

  1. Patch Tuesday 2026: CVE-2026-26144 Excel XSS and Copilot Agent Risks

    Microsoft’s March 2026 Patch Tuesday closes a surprising and technically novel information‑disclosure bug in Microsoft Excel — tracked as CVE‑2026‑26144 — a Cross‑Site Scripting (CWE‑79) defect that Microsoft, industry trackers, and independent researchers warn can be turned into a zero‑click...
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    • copilot agent cve 2026 26144 excel xss zero-click exfiltration
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    • Forum: Security Alerts