CVE-2009-3103
CVSS Score Not Available
92.86%
HIGH RiskEPSS (100th percentile)
Array index error in the SMBv2 protocol implementation in srv2.sys in Microsoft Windows Vista Gold, SP1, and SP2, Windows Server 2008 Gold and SP2, and Windows 7 RC allows remote attackers to execute arbitrary code or cause a denial of service (system crash) via an & (ampersand) character in a Process ID High header field in a NEGOTIATE PROTOCOL REQUEST packet, which triggers an attempted dereference of an out-of-bounds memory location, aka "SMBv2 Negotiation Vulnerability." NOTE: some of these details are obtained from third party information.
Published: 9/8/2009
Modified: 4/9/2025
Vulnerability Summary
EPSS Score (Exploitation Probability)
92.86%HIGH Exploitation Risk
100th percentile
This vulnerability has a 92.86% probability of being exploited in the next 30 days, ranking higher than 100% of all scored CVEs.