CVE-2023-35311
Microsoft Outlook Security Feature Bypass Vulnerability
CVSS Score
8.8
EPSS Score
0.0%
EPSS Percentile
0th
Microsoft Outlook Security Feature Bypass Vulnerability
| Vendor | microsoft |
| Product | microsoft 365 apps for enterprise |
| Ecosystems | |
| Industries | TechnologyEnterprise |
| Published | Jul 11, 2023 |
| Last Updated | Oct 21, 2025 |
⚠️ Actively Exploited — Act Now
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Microsoft / Microsoft 365 Apps for Enterprise
16.0.1 < https://aka.ms/OfficeSecurityReleases
Microsoft / Microsoft Office LTSC 2021
16.0.1 < https://aka.ms/OfficeSecurityReleases
Microsoft / Microsoft Office 2019
19.0.0 < https://aka.ms/OfficeSecurityReleases
Microsoft / Microsoft Outlook 2016
16.0.0.0 < 16.0.5404.1000
Microsoft / Microsoft Outlook 2013
14.0.0 < 15.0.5571.1000
Microsoft / Microsoft Outlook 2013 Service Pack 1
15.0.0.0 < 15.0.5571.1000