CVE-2023-35311: Microsoft Outlook Security Feature Bypass Vulnerability
First published: Tue Jul 11 2023(Updated: )
Microsoft Outlook contains a security feature bypass vulnerability that allows an attacker to bypass the Microsoft Outlook Security Notice prompt.
Credit: secure@microsoft.com secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Outlook | ||
| Microsoft 365 Apps | ||
| Microsoft Office | =2019 | |
| Microsoft Office Long Term Servicing Channel | =2021 | |
| Microsoft Outlook | =2013 | |
| Microsoft Outlook | =2013-sp1 | |
| Microsoft Outlook | =2016 | |
| Microsoft Office 2019 for 32-bit editions | ||
| Microsoft Outlook 2013 | ||
| Microsoft 365 Apps for Enterprise | ||
| Microsoft Office LTSC 2021 for 32-bit editions | ||
| Microsoft Outlook 2016 | ||
| Microsoft Office LTSC 2021 for 64-bit editions | ||
| Microsoft Outlook 2013 | ||
| Microsoft Outlook 2016 | ||
| Microsoft Office 2019 for 64-bit editions | ||
| Microsoft 365 Apps for Enterprise | ||
| Microsoft Outlook 2013 RT | ||
| Microsoft Office | =2021 |
Remedy
Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.
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Reference Links
Frequently Asked Questions
What is CVE-2023-35311?
CVE-2023-35311 is a security feature bypass vulnerability in Microsoft Outlook.
What is the severity of CVE-2023-35311?
The severity of CVE-2023-35311 is high, with a CVSS score of 8.8.
How does CVE-2023-35311 affect Microsoft Outlook?
CVE-2023-35311 allows an attacker to bypass the Microsoft Outlook Security Notice prompt.
Which versions of Microsoft Outlook are affected by CVE-2023-35311?
CVE-2023-35311 affects Microsoft Outlook 2013, 2016, and the corresponding 32-bit and 64-bit editions.
How can I fix CVE-2023-35311?
To fix CVE-2023-35311, update Microsoft Outlook to the latest version and apply the recommended security updates.
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