Skip to content
Fencer Vulns
medium 5.0

CVE-2008-4299 json

A certain ActiveX control in the Microsoft Internet Authentication Service (IAS) Helper COM Component in iashlpr.dll allows remote attacker…

published 2008-09-29 18 y ago modified 2026-06-16 4 mo ago also EUVD-2008-4282

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
15.9%
EPSS 15.9% chance of exploitation in 30 days, percentile 96%
public exploits
0
none known

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.

Exploit prediction

15.86% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.