Heap-Based Buffer Overflow in Microsoft Office by Microsoft
CVE-2025-47162

8.4HIGH

Key Information:

Vendor

Microsoft
Status
Microsoft Office 2019
Microsoft 365 Apps For Enterprise
Microsoft Office Ltsc For Mac 2021
Microsoft Office Ltsc 2021
Vendor
CVE Published:
10 June 2025

What is CVE-2025-47162?

A vulnerability exists in Microsoft Office that presents a heap-based buffer overflow issue, which can be exploited by unauthorized attackers to execute arbitrary code locally. This security weakness could potentially allow an attacker to compromise affected systems by leveraging the flaw, making it crucial for users to ensure their Office installations are updated to mitigate risks.

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Deploy the Patch

Affected Version(s)

Microsoft 365 Apps for Enterprise 32-bit Systems 16.0.1

Microsoft Office 2016 32-bit Systems 16.0.0 < 16.0.5504.1000

Microsoft Office 2019 32-bit Systems 19.0.0

References

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

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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