# GEO/AEO Five-Layer Taxonomy: Cycle 6→7 Transition — Cross-Layer Chains Confirmed, TAM Corrected to $3–4B

**Published:** 2026-04-20
**Topics:** GEO, AEO, crawler-intelligence, five-layer-taxonomy, cycle7, MCP, CVE, china-geo, super-app, procurement, tam-correction, cross-layer, adversarial-sweep
**Format:** intelligence


Cycle 6 established two new CVEs in the MCP attack surface (CVSS 9.4 RCE, Full-Schema Poisoning) and the first Chinese super-app GEO procurement contract. Four-agent adversarial sweep confirms cross-layer chains. TAM corrected to $3–4B.

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**Full content available at:**
- Research route: https://contextual-ads.ai/research/2026-04-20-geo-aeo-five-layer-cycle7-transition.md
- Intelligence route: https://contextual-ads.ai/intelligence/2026-04-20-geo-aeo-five-layer-cycle7-transition.md


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*Contextual-Ads.ai Intelligence Unit*