Description
Missing authorization in Microsoft Exchange Online allows an authorized attacker to elevate privileges over a network.
Published: 2026-06-19
Score: 9.6 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Mon, 22 Jun 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 19 Jun 2026 21:15:00 +0000

Type Values Removed Values Added
Description Missing authorization in Microsoft Exchange Online allows an authorized attacker to elevate privileges over a network.
Title Microsoft Exchange Online Elevation of Privilege Vulnerability
First Time appeared Microsoft
Microsoft exchange Online
Weaknesses CWE-862
CPEs cpe:2.3:a:microsoft:exchange_online:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft exchange Online
References
Metrics cvssV3_1

{'score': 9.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C'}


Subscriptions

Microsoft Exchange Online
cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-06-26T19:42:35.940Z

Reserved: 2026-05-21T20:00:35.246Z

Link: CVE-2026-48582

cve-icon Vulnrichment

Updated: 2026-06-22T14:01:13.963Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-19T23:15:05Z

Weaknesses