What is the severity of CVE-2019-1266?

CVE-2019-1266 is rated as important as it can lead to spoofing attacks in Microsoft Exchange Server.

How do I fix CVE-2019-1266?

To fix CVE-2019-1266, ensure that your Microsoft Exchange Server is updated with the latest cumulative updates.

Which versions of Microsoft Exchange Server are affected by CVE-2019-1266?

CVE-2019-1266 affects Microsoft Exchange Server 2016 Cumulative Update 12 and 13, and 2019 Cumulative Update 1 and 2.

What impact does CVE-2019-1266 have on users?

CVE-2019-1266 can allow an attacker to spoof sent messages, potentially misleading users.

Is there any workaround for CVE-2019-1266?

Currently, the only recommended solution for CVE-2019-1266 is applying the security updates provided by Microsoft.

Vulnerability/
CVE-2019-1266

medium

6.1

CWE

11/9/2019

4/8/2024

CVE-2019-1266: XSS

First published: Wed Sep 11 2019(Updated: )

A spoofing vulnerability exists in Microsoft Exchange Server when Outlook Web App (OWA) fails to properly handle web requests, aka 'Microsoft Exchange Spoofing Vulnerability'.

Credit: secure@microsoft.com

Affected Software	Affected Version	How to fix
Microsoft Exchange Server	=2016-cumulative_update_12
Microsoft Exchange Server	=2016-cumulative_update_13
Microsoft Exchange Server	=2019-cumulative_update_1
Microsoft Exchange Server	=2019-cumulative_update_2

Remedy

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1266

Never miss a vulnerability like this again

Reference Links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1266

Frequently Asked Questions

What is the severity of CVE-2019-1266?
CVE-2019-1266 is rated as important as it can lead to spoofing attacks in Microsoft Exchange Server.
How do I fix CVE-2019-1266?
To fix CVE-2019-1266, ensure that your Microsoft Exchange Server is updated with the latest cumulative updates.
Which versions of Microsoft Exchange Server are affected by CVE-2019-1266?
CVE-2019-1266 affects Microsoft Exchange Server 2016 Cumulative Update 12 and 13, and 2019 Cumulative Update 1 and 2.
What impact does CVE-2019-1266 have on users?
CVE-2019-1266 can allow an attacker to spoof sent messages, potentially misleading users.
Is there any workaround for CVE-2019-1266?
Currently, the only recommended solution for CVE-2019-1266 is applying the security updates provided by Microsoft.

agent/type
agent/softwarecombine
collector/nvd-index
agent/software-canonical-lookup-request
agent/weakness
agent/severity
agent/author
agent/references
agent/remedy
agent/description
collector/mitre-cve
source/MITRE
agent/last-modified-date
agent/first-publish-date
agent/event
agent/tags
agent/source
vendor/microsoft
canonical/microsoft exchange server
version/microsoft exchange server/2016-cumulative_update_12
version/microsoft exchange server/2016-cumulative_update_13
version/microsoft exchange server/2019-cumulative_update_1
version/microsoft exchange server/2019-cumulative_update_2

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Frequently Asked Questions

What is the severity of CVE-2019-1266?
CVE-2019-1266 is rated as important as it can lead to spoofing attacks in Microsoft Exchange Server.
How do I fix CVE-2019-1266?
To fix CVE-2019-1266, ensure that your Microsoft Exchange Server is updated with the latest cumulative updates.
Which versions of Microsoft Exchange Server are affected by CVE-2019-1266?
CVE-2019-1266 affects Microsoft Exchange Server 2016 Cumulative Update 12 and 13, and 2019 Cumulative Update 1 and 2.
What impact does CVE-2019-1266 have on users?
CVE-2019-1266 can allow an attacker to spoof sent messages, potentially misleading users.
Is there any workaround for CVE-2019-1266?
Currently, the only recommended solution for CVE-2019-1266 is applying the security updates provided by Microsoft.