ACTIVELY EXPLOITED
CVE-2023-35311: Microsoft Outlook Security Feature Bypass Vulnerability
| Vendor | Microsoft |
|---|---|
| Product | Outlook |
| Actively exploited | Yes |
| Added to CISA KEV | 11 Jul 2023 |
| CISA federal deadline | 1 Aug 2023 |
| Weakness (CWE) | CWE-367 |
Required action (CISA's text)
Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.
Description (NVD)
Microsoft Outlook contains a security feature bypass vulnerability that allows an attacker to bypass the Microsoft Outlook Security Notice prompt.
SOURCES
Other Microsoft flaws
- patchtuesday:2026-11: Vulnerability in Microsoft
- CVE-2026-124194: Microsoft Office Outlook Missing User Interaction for Potentially Unsafe Action Vulnerability
- CVE-2026-96951: Microsoft Windows Command Injection Vulnerability
- CVE-2026-65660: Microsoft SharePoint Code Injection Vulnerability
- CVE-2026-85880: Microsoft Windows Heap-Based Buffer Overflow Vulnerability
Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.