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Product · Microsoft

Microsoft 365 Word Copilot

2 known vulnerabilities.

All Critical High Medium Low Exploited only Public exploit

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  • High 7.4
    CVE-2026-21521

    Word Copilot Information Disclosure Vulnerability

    Improper neutralization of escape, meta, or control sequences in Copilot allows an unauthorized attacker to disclose information over a network.

    Microsoft Microsoft 365 Word Copilot