7.8

CVE-2026-55006

Medienbericht

Microsoft Exchange Server Elevation of Privilege Vulnerability

Insufficient granularity of access control in Microsoft Exchange Server allows an authorized attacker to elevate privileges locally.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Microsoft ≫ Exchange Server Version 2016 Update cumulative_update_23
Microsoft ≫ Exchange Server Version 2019 Update cumulative_update_14
Microsoft ≫ Exchange Server Version 2019 Update cumulative_update_15
Microsoft ≫ Exchange Server Subscription Edition Version < 15.02.2562.045
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.21% 0.12
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
Microsoft 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-1220 Insufficient Granularity of Access Control

The product implements access controls via a policy or other feature with the intention to disable or restrict accesses (reads and/or writes) to assets in a system from untrusted agents. However, implemented access controls lack required granularity, which renders the control policy too broad because it allows accesses from unauthorized agents to the security-sensitive assets.

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VulnDex Intel
Media Report
14.07.2026 20:08
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55006
Vendor Advisory