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Sunday, 13 September 2026
8 agent hacks today▲ 7 vs yesterday (1)
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Incident database

Microsoft discloses AI command injection in M365 Copilot and SSRF in Azure MCP Server

Microsoft published two CVEs affecting its AI agent infrastructure: CVE-2026-26133, an AI command injection flaw in M365 Copilot that lets an unauthorized attacker disclose information over a network, and CVE-2026-26118, a server-side request forgery flaw in Azure MCP Server that lets an authorized attacker elevate privileges over a network.

Disclosed 10 March 2026 · Record updated 13 September 2026

Impact

Information disclosure to an unauthenticated network attacker via AI command injection in M365 Copilot, and network-based privilege elevation via SSRF in Azure MCP Server.

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Sources

  1. nvd.nist.govhttps://nvd.nist.gov/vuln/detail/CVE-2026-26118
  2. nvd.nist.govhttps://nvd.nist.gov/vuln/detail/CVE-2026-26133