CVE-2006-2379

CVE-2006-2379 is a critical-severity vulnerability in Microsoft Windows 2000 with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 58% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

• Severity: Critical (CVSS 2.0 base score 9.3)
• EPSS exploit prediction: 58% (99th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-119
• Affected product: Microsoft Windows 2000
• Published: 2006-06-13
• Last modified: 2026-06-16

Description

Buffer overflow in the TCP/IP Protocol driver in Microsoft Windows 2000 SP4, XP SP1 and SP2, and Server 2003 SP1 and earlier allows remote attackers to execute arbitrary code via unknown vectors related to IP source routing.

Frequently asked questions

What is CVE-2006-2379?

Buffer overflow in the TCP/IP Protocol driver in Microsoft Windows 2000 SP4, XP SP1 and SP2, and Server 2003 SP1 and earlier allows remote attackers to execute arbitrary code via unknown vectors related to IP source routing.

How severe is CVE-2006-2379?

CVE-2006-2379 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2006-2379 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 58% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-2379?

CVE-2006-2379 primarily affects Microsoft Windows 2000. In total, 59 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2006-2379?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2006-2379 published?

CVE-2006-2379 was published on 2006-06-13 and last updated on 2026-06-16.

References

• http://secunia.com/advisories/20639
• http://securitytracker.com/id?1016290
• http://www.gossamer-threads.com/lists/fulldisc/full-disclosure/46702
• http://www.kb.cert.org/vuls/id/722753
• http://www.osvdb.org/26433
• http://www.securityfocus.com/archive/1/438482/100/0/threaded
• http://www.securityfocus.com/archive/1/438609/100/0/threaded
• http://www.securityfocus.com/bid/18374
• http://www.us-cert.gov/cas/techalerts/TA06-164A.html
• http://www.vupen.com/english/advisories/2006/2329
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2006/ms06-032
• https://exchange.xforce.ibmcloud.com/vulnerabilities/26834
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1483
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1585
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1712
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1776
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1787
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2018

Affected products (59)

• cpe:2.3:o:microsoft:windows_2000:*:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_2000:*:sp1:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_2000:*:sp2:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_2000:*:sp3:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_2000:*:sp4:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_2003_server:datacenter_64-bit:sp1:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_2003_server:enterprise:*:64-bit:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_2003_server:enterprise:sp1:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_2003_server:enterprise_64-bit:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_2003_server:enterprise_64-bit:sp1:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_2003_server:r2:*:64-bit:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_2003_server:r2:*:datacenter_64-bit:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_2003_server:r2:sp1:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_2003_server:standard:*:64-bit:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_2003_server:standard:sp1:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_2003_server:standard_64-bit:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_2003_server:web:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_2003_server:web:sp1:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_nt:4.0:*:enterprise_server:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_nt:4.0:*:server:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_nt:4.0:*:terminal_server:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_nt:4.0:*:workstation:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_nt:4.0:sp1:enterprise_server:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_nt:4.0:sp1:server:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_nt:4.0:sp1:terminal_server:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_nt:4.0:sp1:workstation:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_nt:4.0:sp2:enterprise_server:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_nt:4.0:sp2:server:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_nt:4.0:sp2:terminal_server:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_nt:4.0:sp2:workstation:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_nt:4.0:sp3:enterprise_server:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_nt:4.0:sp3:server:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_nt:4.0:sp3:terminal_server:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_nt:4.0:sp3:workstation:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_nt:4.0:sp4:enterprise_server:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_nt:4.0:sp4:server:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_nt:4.0:sp4:terminal_server:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_nt:4.0:sp4:workstation:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_nt:4.0:sp5:enterprise_server:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_nt:4.0:sp5:server:*:*:*:*:*

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