Vulnerability report

Exploited in the wild High confidence Not in CISA KEV

CVE-2008-4844

Internet Explorer

Microsoft / Internet Explorer

Severity
CVSS 9.3 · High
Confidence
High
Exploit status
Exploited in the wild
EPSS
66.5%
First observed
Last observed

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2008-4844 is an unauthenticated vulnerability affecting Microsoft Internet Explorer. Use-after-free vulnerability in the CRecordInstance::TransferToDestination function in mshtml.dll in Microsoft Internet Explorer...

Is it exploited?

Yes. KEV Intelligence tracks this CVE as a known exploited vulnerability. Confidence is high.

Who is affected?

Microsoft / Internet Explorer.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

Internet Explorer

Use-after-free vulnerability in the CRecordInstance::TransferToDestination function in mshtml.dll in Microsoft Internet Explorer 5.01, 6, 6 SP1, and 7 allows remote attackers to execute arbitrary code via DSO bindings involving (1) an XML Island, (2) XML DSOs, or (3) Tabular Data Control (TDC) in a crafted HTML or XML document, as demonstrated by nested SPAN or MARQUEE elements, and exploited in the wild in December 2008.

View vendor advisory (opens in new tab)
Published
11 Dec 2008
Exploitation Reported
11 Dec 2008
Attack vector
Remote
Complexity
Privileges
None
User interaction

Tags

metasploit

CVE References

Exploitation evidence

Why KEV Intelligence marks this CVE as exploited

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploited in the wild

CVE

Recorded 11 Dec 2008

Independent exploitation attestation added to the KEV Intelligence record.

Proof of concept available

Recorded 28 Apr 2025

Public scanner or PoC coverage increases practical exploitability.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the KEV Intelligence Pro API.

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Source Added
CVE First 2008-12-11 15:00 UTC

Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Observed signals

Request targets
0
User-Agents
0

Raw values available in Pro and Enterprise.

Virtual patch status

No KEV Intelligence virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

Learn about virtual patches →

Scanner Artifacts

Scanner and exploit-framework references linked to this CVE.

Risk and context

Severity, weaknesses, and research context

CVSS v2.0

9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C

EPSS

66.5%

Potential Proof of Concepts

These PoCs are unverified and could contain malware. Use at your own risk.

ms08_078_xml_corruption

metasploit · Created Unknown

Metasploit module for CVE-2008-4844

Timeline

From disclosure to observed exploitation

  1. Metasploit module available

    Exploit module available

  2. Public PoC available

    Public proof-of-concept code published

  3. Added to KEV Intelligence KEV Feed

    High-confidence, third-party attested exploitation

  4. CVE published

    Vulnerability disclosed publicly

  5. CVE ID reserved

    Identifier reserved by the CNA

Pro API

Automate this intelligence

Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

  • Evidence confidence and provenance
  • First-party sensor telemetry
  • PoC and scanner references
  • Affected versions and enrichment
  • Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2008-4844

Free JSON includes basic KEV fields
{
  "cve_id": "CVE-2008-4844",
  "confidence": "High",
  "cvss_score": 9.3,
  "cvss_estimated": false,
  "epss_score": 0.66513,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}

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