What’s Vulnerable › Vulnerabilities

CVE-2008-4835

• Severity: critical (CVSS 10.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 44.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2009-01-14 · updated 2026-06-16
• Weakness: CWE-94

Description

SMB in the Server service in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP1 and SP2, Vista Gold and SP1, and Server 2008 allows remote attackers to execute arbitrary code via malformed values of unspecified "fields inside the SMB packets" in an NT Trans2 request, related to "insufficiently validating the buffer size," aka "SMB Validation Remote Code Execution Vulnerability."

Affected products

• Microsoft Windows 2000: all versions
• Microsoft Windows Server 2003: all versions
• Microsoft Windows Server 2008: all versions
• Microsoft Windows Vista: all versions
• Microsoft Windows XP Service Pack 3: all versions

References

• http://www.securityfocus.com/archive/1/500013/100/0/threaded
• http://www.securityfocus.com/bid/33122
• http://www.securitytracker.com/id?1021560
• http://www.us-cert.gov/cas/techalerts/TA09-013A.html
• http://www.vupen.com/english/advisories/2009/0116
• http://www.zerodayinitiative.com/advisories/ZDI-09-002/
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-001
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5248
• http://www.securityfocus.com/archive/1/500013/100/0/threaded
• http://www.securityfocus.com/bid/33122
• http://www.securitytracker.com/id?1021560
• http://www.us-cert.gov/cas/techalerts/TA09-013A.html

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