CVE-2026-45504

HIGH EPSS 36.9%
Published Jun 9, 20262w ago · Modified Jun 17, 20261w ago
8.8 CVSS 3.1
High
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Published Jun 9, 2026 2w ago
Last Modified Jun 17, 2026 1w ago

Description

Server-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.

CVSS Details

Base Score
8.8
Exploitability
2.8
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
36.9% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-918 Server-Side Request Forgery (SSRF) Validation

Affected Products 4

VendorProductVersionRange
microsoftexchange_server2016any
microsoftexchange_server2019any
microsoftexchange_server2019any
microsoftexchange_server_subscription_edition* <15.02.2562.043

References 1

  • msrc.microsoft.com https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45504
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.