Code Execution Flaw in Microsoft Word Software by Microsoft
CVE-2026-23657

7.8HIGH

Key Information:

Vendor

Microsoft
Status
Microsoft 365 Apps For Enterprise
Microsoft Office Ltsc 2024
Vendor
CVE Published:
14 April 2026

What is CVE-2026-23657?

A use-after-free vulnerability in Microsoft Word can allow an unauthorized attacker to execute arbitrary code on the affected system. This flaw can be exploited under specific conditions, potentially compromising user data and system integrity. Users are encouraged to apply available patches to mitigate risks associated with this vulnerability.

Affected Version(s)

Microsoft 365 Apps for Enterprise 32-bit Systems 16.0.1

Microsoft Office LTSC 2024 32-bit Systems 16.0.0

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

.