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.

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

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