Heap-Based Buffer Overflow in Windows DWM Core Library by Microsoft
CVE-2025-64680

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:
9 December 2025

What is CVE-2025-64680?

A heap-based buffer overflow vulnerability exists in the Windows DWM Core Library, which allows authorized attackers to escalate privileges on affected systems. This vulnerability could be exploited to gain higher access levels, potentially compromising system integrity and security. Proper mitigation strategies should be implemented to safeguard against potential exploitation.

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Affected Version(s)

Windows 10 Version 1507 32-bit Systems 10.0.10240.0 < 10.0.10240.21161

Windows 10 Version 1607 32-bit Systems 10.0.14393.0 < 10.0.14393.8519

Windows 10 Version 1809 32-bit Systems 10.0.17763.0 < 10.0.17763.7919

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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