CRITICAL✓ PATCH🇵🇱 Wersja polska

CVE-2026-56191

CVSS 10.0v3.1pub. 2026-07-24upd. 2026-07-29

Improper authentication in Microsoft Exchange Online allows an unauthorized attacker to perform tampering over a network.

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

  • Microsoft Exchange Online

    APP
    Microsoft
    all versions
🟢
PATCH AVAILABLE
Vendor update available. Deploy in standard maintenance cycle.
Tags
Auth Bypass
CWE
References

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