Remote Code Execution Vulnerability in Microsoft Office Software
CVE-2026-32190

8.4HIGH

Key Information:

Vendor

Microsoft
Status
Microsoft 365 Apps For Enterprise
Microsoft Office 2016
Microsoft Office 2019
Microsoft Office Ltsc 2021
Vendor
CVE Published:
14 April 2026

What is CVE-2026-32190?

A use after free vulnerability in Microsoft Office can allow attackers to execute arbitrary code on a local system. This security flaw could potentially grant unauthorized access through specially crafted documents, making it essential for users to apply immediate patches and updates to safeguard against potential exploitation.

Affected Version(s)

Microsoft 365 Apps for Enterprise 32-bit Systems 16.0.1

Microsoft Office 2016 32-bit Systems 16.0.0 < 16.0.5548.1000

Microsoft Office 2019 32-bit Systems 19.0.0

References

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

CVSS V3.1

Score:
8.4
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.