Heap-based Buffer Overflow in Microsoft Office Excel by Microsoft
CVE-2025-30376
7.8HIGH
Key Information:
- Vendor
Microsoft
- Status
- Vendor
- CVE Published:
- 13 May 2025
What is CVE-2025-30376?
A vulnerability exists in Microsoft Office Excel that allows an unauthorized attacker to exploit a heap-based buffer overflow. This weakness permits the attacker to execute arbitrary code on the affected system, potentially leading to unauthorized actions and access to sensitive information. It is crucial for users of affected versions to apply available security updates promptly to mitigate this risk.
Affected Version(s)
Microsoft 365 Apps for Enterprise 32-bit Systems 16.0.1
Microsoft Excel 2016 32-bit Systems 16.0.0.0 < 16.0.5500.1000
Microsoft Office 2019 32-bit Systems 19.0.0
References
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