CVE-2026-45583 - Vulnerability Details - OpenCVE

Improper control of generation of code ('code injection') in Microsoft Exchange Server allows an unauthorized attacker to execute code over a network.

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

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.

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

No data.

No data.

No data.

References

Link	Providers
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45583

History

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

Type	Values Removed	Values Added
Description		Improper control of generation of code ('code injection') in Microsoft Exchange Server allows an unauthorized attacker to execute code over a network.
Title		Microsoft Exchange Server Remote Code Execution Vulnerability
First Time appeared		Microsoft Microsoft exchange Server 2016 Microsoft exchange Server 2019 Microsoft exchange Server Se
Weaknesses		CWE-94
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		https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45583
Metrics		cvssV3_1 `{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}`

MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2026-06-09T17:04:47.793Z

Updated: 2026-06-09T17:50:14.450Z

Reserved: 2026-05-12T19:55:45.729Z

Link: CVE-2026-45583

Vulnrichment

No data.

NVD

Status : Received

Published: 2026-06-09T17:17:26.440

Modified: 2026-06-09T17:17:26.440

Link: CVE-2026-45583

Redhat

No data.

OpenCVE Enrichment

No data.

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