Inclusion of functionality from untrusted control sphere in Microsoft Exchange Server allows an authorized attacker to elevate privileges locally.

Project Subscriptions

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

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Fixes

Solution

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Workaround

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History

Wed, 14 Oct 2026 00:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Tue, 13 Oct 2026 19:15:00 +0000

Type Values Removed Values Added
Description Inclusion of functionality from untrusted control sphere in Microsoft Exchange Server allows an authorized attacker to elevate privileges locally.
Title Microsoft Exchange Server Elevation of Privilege Vulnerability
First Time appeared Microsoft
Microsoft exchange Server 2016
Microsoft exchange Server 2019
Microsoft exchange Server Se
Weaknesses CWE-829
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': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-10-13T22:23:16.322Z

Reserved: 2026-09-08T23:57:53.797Z

Link: CVE-2026-87695

cve-icon Vulnrichment

Updated: 2026-10-13T20:01:31.239Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-13T19:21:22.153

Modified: 2026-10-13T21:19:37.413

Link: CVE-2026-87695

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses