Description
Authorization bypass through user-controlled key in Microsoft Exchange Server allows an authorized attacker to perform tampering over a network.
Published: 2026-09-08
Score: 6.5 Medium
EPSS: < 1% Very Low
KEV: No
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Tue, 29 Sep 2026 16:15:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft exchange Server
Microsoft exchange Server Subscription Edition
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_subscription_edition:*:*:*:*:*:*:*:*
Vendors & Products Microsoft exchange Server
Microsoft exchange Server Subscription Edition

Fri, 11 Sep 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 08 Sep 2026 17:30:00 +0000

Type Values Removed Values Added
Description Authorization bypass through user-controlled key in Microsoft Exchange Server allows an authorized attacker to perform tampering over a network.
Title Microsoft Exchange Server Tampering Vulnerability
First Time appeared Microsoft
Microsoft exchange Server 2016
Microsoft exchange Server 2019
Microsoft exchange Server Se
Weaknesses CWE-639
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': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C'}


Subscriptions

Microsoft Exchange Server Exchange Server 2016 Exchange Server 2019 Exchange Server Se Exchange Server Subscription Edition
cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-09-25T21:32:43.068Z

Reserved: 2026-08-03T20:54:04.486Z

Link: CVE-2026-69375

cve-icon Vulnrichment

Updated: 2026-09-11T14:51:09.227Z

cve-icon NVD

Status : Analyzed

Published: 2026-09-08T18:18:58.057

Modified: 2026-09-29T15:55:25.487

Link: CVE-2026-69375

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-09T03:45:03Z

Weaknesses