8.8
High
Exploited
CVE-2023-35311 Microsoft Outlook Security Feature Bypass Vulnerability
Active exploitation observed
· CISA KEV catalogue
Required action
Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.
Ransomware campaigns
Not observed so far
Weakness
CWE-367
Description
Microsoft Outlook Security Feature Bypass Vulnerability
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Microsoft 365 Apps for Enterprise 16.0 | 16.0.1 → latest | No fix stated |
| Microsoft Office LTSC 2021 16.0 | 16.0.1 → latest | No fix stated |
| Microsoft Office 2019 19.0 | 19.0.0 → latest | No fix stated |
| Microsoft Outlook 2016 16.0 | 16.0.0.0 → < 16.0.5404.1000 | 16.0.5404.1000 |
| Microsoft Outlook 2013 14.0 | 14.0.0 → < 15.0.5571.1000 | 15.0.5571.1000 |
| Microsoft Outlook 2013 Service Pack 1 15.0 | 15.0.0.0 → < 15.0.5571.1000 | 15.0.5571.1000 |
References
- Microsoft Outlook Security Feature Bypass Vulnerability msrc.microsoft.com
Timeline
- Published
- Added to the KEV catalogue
- Last modified
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