Heap-Based Buffer Overflow Vulnerability in Microsoft Windows Routing and Remote Access Service
CVE-2025-62452

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:
11 November 2025

What is CVE-2025-62452?

A heap-based buffer overflow vulnerability exists in Microsoft Windows Routing and Remote Access Service (RRAS). This security flaw allows an authorized attacker to execute arbitrary code over a network. If exploited, it could enable unauthorized actions that compromise the integrity and confidentiality of the system. Effective security measures are essential to safeguard systems against this risk.

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Affected Version(s)

Windows 10 Version 1607 32-bit Systems 10.0.14393.0 < 10.0.14393.8594

Windows 10 Version 1809 32-bit Systems 10.0.17763.0 < 10.0.17763.8027

Windows 10 Version 21H2 32-bit Systems 10.0.19044.0 < 10.0.19044.6575

References

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

CVSS V3.1

Score:
8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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