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Home MicrosoftCVE-2023-35311

High

8.8CVSS

CVE-2023-35311

Vendor:Microsoft

Published: 11 Jul 2023

Updated 6mo ago

Generated remediation guidance and an executive summary. No account required.

Description

Microsoft Outlook Security Feature Bypass Vulnerability

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: required
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-367 CWE-367 CWE-367

Metadata

Primary Vendor: MICROSOFT
Published: 7/11/2023
Last Modified: 10/28/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

microsoft : 365_appsmicrosoft : officemicrosoft : office_long_term_servicing_channelmicrosoft : outlookmicrosoft : outlookmicrosoft : outlook

Remediation Guidance

Executive Summary

View on NIST NVD

Fix CVE-2023-35311 - HIGH microsoft 365 apps | CVEDatabase.com

Related reading

Use CWE-367, Microsoft vendor hub and 365 Apps product page to widen CVE-2023-35311 into its surrounding weakness, vendor, and product context.

Compare it with CVE-2026-21514, CVE-2026-26113 and CVE-2026-26110 for nearby disclosures in the same product family. Additional editorial context is available in Weekly Security Roundup: Navigating the April 2026 Threat Landscape and Critical Framework Exploits.