CVE-2023-35311

HIGHCVSS 8.8Known Exploited

CISA Known Exploited Vulnerability

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2023-35311; https://nvd.nist.gov/vuln/detail/CVE-2023-35311

Remediation deadline: August 1, 2023

Description

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

Timeline

Published:July 11th, 2023 6:15 PM

Last modified:October 7th, 2026 6:17 PM

Added to KEV:July 11th, 2023

CVSS Scoring

CVSS v3: 8.8 (HIGH)

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Software

From NVD CPE configuration data

Vendors

microsoft

Products

365_appsofficeoffice_long_term_servicing_channeloutlook

Weaknesses (CWE)

References & Reports

Advisories, patches, and third-party reports

Source: NIST NVD · Data may lag official sources by up to one minute