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

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Microsoft Microsoft Exchange Server 2016 Cumulative Update 23 affected
Version Status Constraints
15.01.0.0 affected < 15.01.2507.069
Microsoft Microsoft Exchange Server 2019 Cumulative Update 14 affected
Version Status Constraints
15.02.0.0 affected < 15.02.1544.041
Microsoft Microsoft Exchange Server 2019 Cumulative Update 15 affected
Version Status Constraints
15.02.0.0 affected < 15.02.1748.046
Microsoft Microsoft Exchange Server Subscription Edition RTM affected
Version Status Constraints
15.02.0.0 affected < 15.02.2562.043

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

No data.

Project Subscriptions

Vendors Products
Microsoft Subscribe
Exchange Server 2016 Subscribe
Exchange Server 2019 Subscribe
Exchange Server Se Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45502 cve-icon cve-icon
History

Tue, 09 Jun 2026 17:15:00 +0000

Type Values Removed Values Added
Description Server-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to disclose information over a network.
Title Microsoft Exchange Server Information Disclosure Vulnerability
First Time appeared Microsoft
Microsoft exchange Server 2016
Microsoft exchange Server 2019
Microsoft exchange Server Se
Weaknesses CWE-918
CPEs cpe:2.3:a:microsoft:exchange_server_2016:*:cumulative_update_23:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server_2019:*:cumulative_update_14:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server_2019:*:cumulative_update_15:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server_se:*:RTM:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft exchange Server 2016
Microsoft exchange Server 2019
Microsoft exchange Server Se
References
Metrics cvssV3_1

{'score': 5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C'}

Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-06-09T17:50:12.693Z

Reserved: 2026-05-12T16:07:22.619Z

Link: CVE-2026-45502

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Undergoing Analysis

Published: 2026-06-09T17:17:26.010

Modified: 2026-06-09T19:32:51.440

Link: CVE-2026-45502

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-09T20:15:07Z

Weaknesses