CVE-2026-48582

CRITICAL EPSS 30.8%
Published Jun 19, 20261w ago · Modified Jun 24, 20264d ago
9.6 CVSS 3.1
Critical
Find Similar
Published Jun 19, 2026 1w ago
Last Modified Jun 24, 2026 4d ago

Description

Missing authorization in Microsoft Exchange Online allows an authorized attacker to elevate privileges over a network.

CVSS Details

Base Score
9.6
Exploitability
3.1
Impact
5.8
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Changed
Confidentiality High
Integrity High
Availability None

Threat Intelligence

EPSS Exploit Probability
30.8% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-862 Missing Authorization Authorization

Affected Products 1

VendorProductVersionRange
microsoftexchange_online*any

References 1

  • msrc.microsoft.com https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-48582
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.