HIGHCVSS 8.8Actively exploited · CISA KEV since 2023-07-11Vulnerability

CVE-2023-35311

Microsoft Outlook contains a security feature bypass vulnerability that allows an attacker to bypass the Microsoft Outlook Security Notice prompt.

Properties

Euvd product
Microsoft 365 Apps for Enterprise, Microsoft Office 2019, Microsoft Outlook 2016, Microsoft Outlook 2013 Service Pack 1, Microsoft Office LTSC 2021, Microsoft Outlook 2013
Vulnerability name
Microsoft Outlook Security Feature Bypass Vulnerability
First seen
2026-10-07T17:43:22+00:00
Cvss score
8.8
Epss score
0.15522
Last seen
2026-10-19T12:00:27+00:00
Due date
2023-08-01
Euvd assigner
microsoft
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2023-07-11T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2023-07-11
Score
8.8
Euvd base score version
3.1
Fetched at
2026-10-20T10:36:20+00:00
Euvd vendor
Microsoft
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
In Signal since
initial import (Sep 2026)
Euvd base score
8.8

Related Entities (13)

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CVE-2023-35311 (CVSS 8.8) — Ninja Signal Threat Intelligence | Ninja Signal