THREATPORT/VULNERABILITY/CVE-2009-2529
HIGH SEVERITY

CVE-2009-2529

Internet Explorer vulnerability

CVSS
8.1
EPSS
19.5%
EPSS pct
97th
Exploited
No known
Microsoft Internet Explorer 5.01 SP4, 6, 6 SP1, 7, and 8 does not properly handle argument validation for unspecified variables, which allows remote attackers to execute arbitrary code via a crafted HTML document, aka "HTML Component Handling Vulnerability."
Affected vendor
Microsoft
Affected product
Internet Explorer
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
Published
2009-10-14

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, high attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 19.5% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 97% of all scored CVEs.

Check your external exposure to CVE-2009-2529

  • Confirm whether Microsoft Internet Explorer is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2009-2529.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2009-2529

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2009-2529 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2009-2529?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2009-2529.

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