CVE-2025-33064
Published: 10 June 2025
Summary
CVE-2025-33064 is a high-severity Heap-based Buffer Overflow (CWE-122) vulnerability in Microsoft Windows Server 2008. Its CVSS base score is 8.8 (High).
Operationally, ranked in the top 14.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
CVE-2025-33064 is a heap-based buffer overflow vulnerability, tracked under CWE-122, that affects the Windows Routing and Remote Access Service (RRAS). The flaw carries a CVSS 3.1 score of 8.8 and permits remote code execution when triggered over a network.
An authorized attacker with low privileges can exploit the issue without user interaction, achieving full confidentiality, integrity, and availability impact on the affected system. The attack vector is rated as network-accessible with low complexity.
Microsoft's advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-33064 provides official guidance on patches and mitigation steps. The associated EPSS score remains low and unchanged at a peak of 0.0252, indicating no material increase in observed exploitation interest since disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-17774
Vulnerability details
Heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to execute code over a network.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.