Integer Overflow Vulnerability in Windows SMB Affects Microsoft Products
CVE-2025-32718

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:
10 June 2025

What is CVE-2025-32718?

A vulnerability exists in Windows SMB that can be exploited through integer overflow or wraparound conditions, enabling an authorized attacker to gain elevated privileges locally. This flaw could allow the attacker to execute arbitrary code with elevated rights, potentially compromising system integrity and data confidentiality. Regular updates and security practices are essential to mitigate risks associated with this vulnerability.

Affected Version(s)

Windows 10 Version 1507 32-bit Systems 10.0.10240.0 < 10.0.10240.21034

Windows 10 Version 1607 32-bit Systems 10.0.14393.0 < 10.0.14393.8148

Windows 10 Version 1809 32-bit Systems 10.0.17763.0 < 10.0.17763.7434

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

.