CVE-2023-35311
Microsoft Outlook Security Feature Bypass Vulnerability
What is affected
| Vendor | Microsoft |
|---|---|
| Product | Outlook |
| Weakness | CWE-367 |
The 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.
US federal civilian agencies were required to act by 1 August 2023 under BOD 22-01. The deadline is a compliance date, not a measure of severity — it says nothing about how dangerous the flaw is to anyone else.
Where this comes from
Every field on this page is taken from the CISA Known Exploited Vulnerabilities catalog, last synced 12 Nov 2026, 00:29. Nothing here is our own assessment. For the technical scoring, see the NVD record below.
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