Heap-based Buffer Overflow in Windows RRAS by Microsoft
CVE-2025-33064

8.8HIGH

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-2025-33064?

A heap-based buffer overflow exists in the Windows Routing and Remote Access Service (RRAS). This vulnerability can be exploited by an authorized attacker to execute arbitrary code over a network, potentially leading to unauthorized control of affected systems. Proper security measures should be taken 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 < 10.0.10240.21034

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:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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