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TI-2008-04100 Aliases CVE-2008-4299GHSA-6vj4-8grf-m438

A certain ActiveX control in the Microsoft Internet Authentication Service (IAS) Helper…

Priority LOW 39CWE-189Published · Updated

Key facts

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

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-189 and the CVSS impact.

Summary

A certain ActiveX control in the Microsoft Internet Authentication Service (IAS) Helper COM Component in iashlpr.dll allows remote attackers to cause a denial of service (browser crash) via a large integer value in the first argument to the PutProperty method. NOTE: this issue was disclosed by an unreliable researcher, so it might be incorrect.

Why it matters now

EPSS 0.15858 96th percentileScored 2026-11-07
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 · 1

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:internet_authentication_service_helper_com_component:*:*:*:*:*:*:*:*all versionsVulnerableMicrosoft
  • cpe:2.3:a:microsoft:internet_authentication_service_helper_com_component:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2008-4299
  2. 2026-10-03 Alias added: GHSA-6vj4-8grf-m438

References

Advisory 1

Sources