CVE-2023-35311
8.8HIGHMicrosoft Outlook Security Feature Bypass Vulnerability
Published: 7/11/2023Updated: 10/28/2025
CISA Known Exploited Vulnerability
Microsoft Outlook contains a security feature bypass vulnerability that allows an attacker to bypass the Microsoft Outlook Security Notice prompt.
Required Action:
Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.
Due Date:
2023-08-01
Description
Microsoft Outlook Security Feature Bypass Vulnerability
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Affected Products
microsoft365_apps
-
microsoftoffice
2019
microsoftoffice_long_term_servicing_channel
2021
microsoftoutlook
2013
microsoftoutlook
2013
microsoftoutlook
2016
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-35311PatchVendor Advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-35311PatchVendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-35311US Government Resource