CVE-2006-5614

CVE-2006-5614 is a low-severity vulnerability in Microsoft Windows Nt Helper Components with a CVSS 2.0 base score of 2.6. Its EPSS exploit-prediction score of 79% places it in the 100th percentile, indicating an elevated likelihood of exploitation.

Key facts

Description

Microsoft Windows NAT Helper Components (ipnathlp.dll) on Windows XP SP2, when Internet Connection Sharing is enabled, allows remote attackers to cause a denial of service (svchost.exe crash) via a malformed DNS query, which results in a null pointer dereference.

Frequently asked questions

What is CVE-2006-5614?
Microsoft Windows NAT Helper Components (ipnathlp.dll) on Windows XP SP2, when Internet Connection Sharing is enabled, allows remote attackers to cause a denial of service (svchost.exe crash) via a malformed DNS query, which results in a null pointer dereference.
How severe is CVE-2006-5614?
CVE-2006-5614 has a CVSS 2.0 base score of 2.6, rated low severity.
Is CVE-2006-5614 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 79% (100th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-5614?
CVE-2006-5614 primarily affects Microsoft Windows Nt Helper Components. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-5614?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-5614 published?
CVE-2006-5614 was published on 2006-10-31 and last updated on 2026-06-16.

References

Affected products (2)