CVE-2026-70125
Received Received - Intake

Microsoft Outlook Remote Code Execution Vulnerability

Vulnerability report for CVE-2026-70125, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-09-23

Last updated on: 2026-09-23

Assigner: Microsoft Corporation

Description

Microsoft Outlook Remote Code Execution Vulnerability

CVSS Scores

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Meta Information

Published
2026-09-23
Last Modified
2026-09-23
Generated
2026-09-24
AI Q&A
2026-09-24
EPSS Evaluated
N/A
NVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
microsoft outlook *

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This is a remote code execution vulnerability in Microsoft Outlook. It allows an attacker to execute arbitrary code on a victim's system by exploiting flaws in how Outlook processes certain inputs or files. The vulnerability has a high severity score due to its potential impact on confidentiality, integrity, and availability of the affected system.

Impact Analysis

If exploited, this vulnerability could allow an attacker to run malicious code on your computer without your interaction. This could lead to unauthorized access to sensitive data, installation of malware, or control over your system. Attackers might use phishing emails or malicious attachments to trigger the exploit.

Compliance Impact

This vulnerability could lead to data breaches, which may violate compliance requirements under GDPR, HIPAA, or other regulations. Organizations using Outlook may face fines or penalties if they fail to protect personal or health data due to this vulnerability. Immediate patching and mitigation are critical to maintain compliance.

Mitigation Strategies

Apply the latest security updates from Microsoft for Outlook as soon as possible to patch this vulnerability.

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