Out-of-bounds Read in Microsoft Office Word Affects Microsoft
CVE-2026-63528

5.5MEDIUM

What is CVE-2026-63528?

An out-of-bounds read vulnerability in Microsoft Office Word permits an unauthorized attacker to access sensitive information locally. This flaw can be exploited to reveal confidential data, thereby posing a significant risk to users and organizations alike. It is crucial for users to update their software to the latest version to mitigate this threat and ensure their information remains secure. For more details on the potential impacts and necessary actions, you can consult the advisory provided by Microsoft.

Affected Version(s)

Microsoft 365 Apps for Enterprise 32-bit Systems 16.0.1

Microsoft Office 2019 32-bit Systems 19.0.0

Microsoft Office 365 for Mac 1.0.0 < 16.112.26081010

References

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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