VULNERABILITY INTELLIGENCE

CVE-2009-2526

CVSS score7.8 HIGH
EPSS probability81.89%
CISA KEVNot currently listed
Published2009-10-14
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:N/I:N/A:C

Description

Microsoft Windows Vista Gold, SP1, and SP2 and Server 2008 Gold and SP2 do not properly validate fields in SMBv2 packets, which allows remote attackers to cause a denial of service (infinite loop and system hang) via a crafted packet to the Server service, aka "SMBv2 Infinite Loop Vulnerability."

Primary references