Live › vulnerability › CVE-2023-35311
Go to dashboardMicrosoft Outlook has a security feature bypass that lets an attacker skip the Outlook Security Notice prompt. CISA lists it as actively exploited, and the sources give no further detail on what the attacker gets after the bypass.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 19:11 UTC, 3h before NVD. All times on this page are UTC.
Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| Microsoft Outlook | vendor | – | – |
| microsoft 365 apps | vendor | – | – |
| microsoft office 2019 | vendor | – | – |
| microsoft office 2021 | vendor | – | – |
| microsoft outlook | vendor | = 2013 | – |
| microsoft outlook | vendor | = 2016 | – |
Unknown from the sources.
Apply Microsoft's updates for Outlook per the vendor instructions, or stop using the product if no update is available (CISA required action).
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
Microsoft Outlook contains a security feature bypass vulnerability that allows an attacker to bypass the Microsoft Outlook Security Notice prompt.
CISA required action: Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.
This page as .md · .json · in your agent: get_signal("CVE-2023-35311")
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