Remote Code Execution Vulnerability in Microsoft Office Word
CVE-2026-62804

7.8HIGH

Key Information:

Vendor

Microsoft
Status
Microsoft 365 Apps For Enterprise
Microsoft Office 2016
Microsoft Office 2019
Microsoft Office 365 For Mac
Vendor
CVE Published:
8 September 2026

What is CVE-2026-62804?

A vulnerability in Microsoft Office Word allows attackers to manipulate file names or paths externally, potentially leading to unauthorized code execution on a victim's machine. This can result in significant security risks, including data breaches and system compromise if exploited effectively. Users are encouraged to apply the latest security updates to mitigate this threat.

Affected Version(s)

Microsoft 365 Apps for Enterprise 32-bit Systems 16.0.1

Microsoft Office 2016 32-bit Systems 16.0.0 < 16.0.5569.1002

Microsoft Office 2019 32-bit Systems 19.0.0

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisorypatch

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.