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Product · Microsoft

Microsoft Exchange Online

7 known vulnerabilities.

All Critical High Medium Low Exploited only Public exploit

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  • High 7.5
    CVE-2026-96185

    Microsoft Exchange Online Remote Code Execution Vulnerability

    Stack-based buffer overflow in Microsoft Exchange Online allows an authorized attacker to execute code over a network.

    Microsoft Microsoft Exchange Online
  • High 8.8
    CVE-2026-54998

    Microsoft Exchange Online Elevation of Privilege Vulnerability

    Incorrect authorization in Microsoft Exchange Online allows an authorized attacker to elevate privileges over a network.

    Microsoft Microsoft Exchange Online