Heap-Based Buffer Overflow Vulnerability in Microsoft Office Software
CVE-2025-54910

8.4HIGH

What is CVE-2025-54910?

A heap-based buffer overflow vulnerability in Microsoft Office could allow an unauthorized attacker to execute arbitrary code on a target system. The exploit involves manipulating memory allocations within the Office applications, potentially leading to unauthorized access and control over the affected system. Users are urged to apply security updates to protect against this vulnerability and mitigate risks associated with remote code execution.

Affected Version(s)

Microsoft 365 Apps for Enterprise 32-bit Systems 16.0.1

Microsoft Office 2016 32-bit Systems 16.0.0 < 16.0.5517.1000

Microsoft Office 2019 32-bit Systems 19.0.0

References

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

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CVE-2025-54910 : Heap-Based Buffer Overflow Vulnerability in Microsoft Office Software