CVE-2008-4250: Microsoft Windows Buffer Overflow Vulnerability

Summary

This article details a buffer overflow vulnerability (CVE-2008-4250) in Microsoft Windows Server Service. Remote attackers can exploit this flaw via crafted RPC requests to execute arbitrary code by triggering an overflow during path canonicalization.

IFF Assessment

FOE

This vulnerability allows remote code execution, posing a significant threat to affected systems.

Severity

9.3 Critical (AI Estimated)

The CVSS score of 9.3 reflects the critical impact of remote code execution (AV:N/AC:N/PR:N/UI:N/S:C/C:H/I:H/A:H), indicating a high severity due to the ability for unauthenticated, unauthenticated attackers to compromise systems remotely and impact confidentiality, integrity, and availability significantly.

CISA KEV: Listed as actively exploited. Federal patch due: June 03, 2026. Known ransomware use: Unknown.

Defender Context

This vulnerability represents a critical remote code execution flaw in a core Windows service. Defenders should prioritize patching or mitigating this vulnerability, especially given its known ransomware use, as it could be a significant entry point for attackers.

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