High nvd · CVE-2026-78501

CVE-2026-78501: Improper neutralization of special elements used in a command ('command injection') in Microsoft 365 Copilot's Business

Published Sep 17, 2026 CVSS 7.4

Improper neutralization of special elements used in a command ('command injection') in Microsoft 365 Copilot's Business Chat allows an unauthorized attacker to disclose information over a network.

Remote Code Execution

Affected AI Products

copilot

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