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M365 Copilot

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high advisory

M365 Copilot Information Disclosure Vulnerability (CVE-2026-26129)

CVE-2026-26129 is a high-severity vulnerability in Microsoft's M365 Copilot that allows an unauthorized attacker to disclose information over a network due to improper neutralization of special elements.

M365 Copilot cve information disclosure cloud
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