Heap-Based Buffer Overflow in Microsoft MPEG-2 Video Extension
CVE-2025-48805

7.8HIGH

Key Information:

Vendor

Microsoft
Status
Windows 10 Version 1809
Windows Server 2019
Windows Server 2019 (server Core Installation)
Windows Server 2022
Vendor
CVE Published:
8 July 2025

What is CVE-2025-48805?

A heap-based buffer overflow vulnerability exists in the Microsoft MPEG-2 Video Extension, which could allow an authorized attacker to execute arbitrary code on the local machine. When an attacker successfully exploits this vulnerability, they can manipulate memory allocations, potentially leading to unauthorized actions or access to sensitive information. It is essential for users of the affected product to apply available patches or workarounds to mitigate the risks associated with this vulnerability.

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Affected Version(s)

Windows 10 Version 1507 32-bit Systems 10.0.10240.0 < 10.0.10240.21073

Windows 10 Version 1607 32-bit Systems 10.0.14393.0 < 10.0.14393.8246

Windows 10 Version 1809 32-bit Systems 10.0.17763.0 < 10.0.17763.7558

References

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

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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