CVE-2026-48579

HIGH EPSS 58.9%
Published Jun 4, 20263w ago · Modified Jun 17, 20261w ago
7.5 CVSS 3.1
High
Find Similar
Published Jun 4, 2026 3w ago
Last Modified Jun 17, 2026 1w ago

Description

Improper authorization in Microsoft Exchange Online allows an unauthorized attacker to disclose information over a network.

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity None
Availability None

Threat Intelligence

EPSS Exploit Probability
58.9% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-285

Affected Products 1

VendorProductVersionRange
microsoftexchange_online*any

References 1

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.