What’s Vulnerable › Vulnerabilities

CVE-2010-0240

• Severity: critical (CVSS 10.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 48.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2010-02-10 · updated 2026-06-16
• Weakness: CWE-94

Description

The TCP/IP implementation in Microsoft Windows Vista Gold, SP1, and SP2 and Server 2008 Gold and SP2, when a custom network driver is used, does not properly handle local fragmentation of Encapsulating Security Payload (ESP) over UDP packets, which allows remote attackers to execute arbitrary code via crafted packets, aka "Header MDL Fragmentation Vulnerability."

Affected products

• Microsoft Windows Server 2008: all versions
• Microsoft Windows Vista: all versions

References

• http://www.us-cert.gov/cas/techalerts/TA10-040A.html
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-009
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8400
• http://www.us-cert.gov/cas/techalerts/TA10-040A.html
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-009
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8400

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