9.1

CVE-2026-48579

Microsoft Exchange Online Information Disclosure Vulnerability

Improper authorization in Microsoft Exchange Online allows an unauthorized attacker to disclose information over a network.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Microsoft ≫ Exchange Online Version-
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 1.02% 0.588
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
secure@microsoft.com 9.1 3.9 5.2
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CWE-285 Improper Authorization

The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-48579
Vendor Advisory