Threats Tagged 'cve-2026-56191'
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Threats Tagged 'cve-2026-56191'
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CVE-2026-56191: CWE-287: Improper Authentication in Microsoft Microsoft Exchange OnlineCVE-2026-56191 0 CVE-2026-56191 is a critical improper authentication vulnerability in Microsoft Exchange Online that allows unauthorized attackers to tamper with the system over a network. The vulnerability has a CVSS score of 10.0, indicating severe impact on confidentiality, integrity, and availability. An official fix is available from Microsoft. Join the discussion | CVE Database V5 | 07/24/2026, 00:01:12 UTC Added: 07/24/2026, 00:38:23 UTC |
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