Vulnerability Intelligence Report
Microsoft Internet Explorer Use-After-Free Vulnerability
CVE-2013-2551
Use-after-free vulnerability in Microsoft Internet Explorer 6 through 10 allows remote attackers to execute arbitrary code via a crafted web site that triggers access to a deleted object, as demonstrated by VUPEN during a Pwn2Own competition at CanSecWest 2013, aka "Internet Explorer Use After Free Vulnerability," a different vulnerability than CVE-2013-1308 and CVE-2013-1309.
CISA KEV
SSVC: Active Exploitation
CVSS Base Score
8.8
HIGH
Exploitability:2.9
Impact Score:5.9
EPSS Probability:73.92%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-416 ↗CWE-416 Use After Free
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| microsoft | internet_explorer | 6, 7, 8, 9, 10 |
| microsoft | windows_server_2003 | all |
| microsoft | windows_xp | all |
| microsoft | windows_server_2008 | r2 |
| microsoft | windows_vista | all |
| microsoft | windows_7 | all |
| microsoft | windows_8 | all |
| microsoft | windows_rt | all |
| microsoft | windows_server_2012 | all |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | MITRE Corporation · N/A · USA |
| Reserved | 2013-03-10T00:00:00 |
| Published | 2013-03-11T10:00:00 |
| Patch Date | 2013-03-06 |
| Last Updated | 2025-10-22T00:05:43 |
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