CVE-2026-62915

Published: Aug 11, 2026Modified: Aug 14, 2026

6.5

Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Exploitability: 2.8 / Impact: 3.6

Source: secure@microsoft.com (Secondary)

Description

Missing authorization in Microsoft Exchange Server allows an authorized attacker to bypass a security feature over a network.

Affected (38)

Products: Microsoft: Exchange Server, Exchange Server Subscription Edition

Microsoft

2 products

Exchange Server

Exchange Server Subscription Edition

Configuration A

38 vulnerable

Vulnerable Software	Affected Versions
Microsoft Exchange Server	Version 2016
Microsoft Exchange Server	Version 2016 cumulative_update_10
Microsoft Exchange Server	Version 2016 cumulative_update_11
Microsoft Exchange Server	Version 2016 cumulative_update_12
Microsoft Exchange Server	Version 2016 cumulative_update_13
Microsoft Exchange Server	Version 2016 cumulative_update_14
Microsoft Exchange Server	Version 2016 cumulative_update_15
Microsoft Exchange Server	Version 2016 cumulative_update_16
Microsoft Exchange Server	Version 2016 cumulative_update_17
Microsoft Exchange Server	Version 2016 cumulative_update_18
Microsoft Exchange Server	Version 2016 cumulative_update_19
Microsoft Exchange Server	Version 2016 cumulative_update_1
Microsoft Exchange Server	Version 2016 cumulative_update_20
Microsoft Exchange Server	Version 2016 cumulative_update_21
Microsoft Exchange Server	Version 2016 cumulative_update_22
Microsoft Exchange Server	Version 2016 cumulative_update_2
Microsoft Exchange Server	Version 2016 cumulative_update_3
Microsoft Exchange Server	Version 2016 cumulative_update_4
Microsoft Exchange Server	Version 2016 cumulative_update_5
Microsoft Exchange Server	Version 2016 cumulative_update_6
Microsoft Exchange Server	Version 2016 cumulative_update_7
Microsoft Exchange Server	Version 2016 cumulative_update_8
Microsoft Exchange Server	Version 2016 cumulative_update_9
Microsoft Exchange Server	Version 2019
Microsoft Exchange Server	Version 2019 cumulative_update_10
Microsoft Exchange Server	Version 2019 cumulative_update_11
Microsoft Exchange Server	Version 2019 cumulative_update_12
Microsoft Exchange Server	Version 2019 cumulative_update_13
Microsoft Exchange Server	Version 2019 cumulative_update_1
Microsoft Exchange Server	Version 2019 cumulative_update_2
Microsoft Exchange Server	Version 2019 cumulative_update_3
Microsoft Exchange Server	Version 2019 cumulative_update_4
Microsoft Exchange Server	Version 2019 cumulative_update_5
Microsoft Exchange Server	Version 2019 cumulative_update_6
Microsoft Exchange Server	Version 2019 cumulative_update_7
Microsoft Exchange Server	Version 2019 cumulative_update_8
Microsoft Exchange Server	Version 2019 cumulative_update_9
Microsoft Exchange Server Subscription Edition	Before 15.02.2562.046

Related CWEs

CWE-862

Missing Authorization

The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

References (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62915

Source: secure@microsoft.com

PatchVendor Advisory

Timeline

No history available yet.