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TI-2006-05419 Aliases CVE-2006-5614GHSA-pgw5-3h46-mwq2

Microsoft Windows NAT Helper Components (ipnathlp.dll) on Windows XP SP2, when Internet…

Priority MEDIUM 53Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
None · None · Partial
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.79585 99th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:windows_nt_helper_components:*:*:*:*:*:*:*:*all versionsVulnerableMicrosoft
cpe:2.3:o:microsoft:windows_xp:*:sp2:tablet_pc:*:*:*:*:*all versionsVulnerableMicrosoft
  • cpe:2.3:a:microsoft:windows_nt_helper_components:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_xp:*:sp2:tablet_pc:*:*:*:*:* Versions all versions Vulnerable ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2006-5614
  2. 2026-10-03 Alias added: GHSA-pgw5-3h46-mwq2

References

Sources