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CVE-2013-2551

HIGH CISA KEV

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.

Published: Mar 11, 2013 Modified: Apr 21, 2026
CWE-416 CWE-416

CVSS Metrics

CVSSv3
Attack Vector: NETWORK Attack Complexity: LOW Privileges Required: NONE User Interaction: REQUIRED Scope: UNCHANGED Confidentiality Impact: HIGH Integrity Impact: HIGH Availability Impact: HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Products (5)

Vendor Product Version
microsoft internet_explorer 6
microsoft internet_explorer 7
microsoft internet_explorer 8
microsoft internet_explorer 9
microsoft internet_explorer 10

GitHub Security Advisory GHSA-m5j6-8c2h-w4h7

Use-after-free vulnerability in Microsoft Internet Explorer 6 through 10 allows remote attackers...

Risk Scores

CVSS Score 8.8 / 10
EPSS Score 73.92%

Top 1% most likely to be exploited

Threat Score 87.4 / 100

CISA Known Exploited

Date Added: 2022-03-28
Due Date: 2022-04-18
Required Action:

Apply updates per vendor instructions.

Used in Ransomware Campaigns

Data Sources

NVD CISA KEV EPSS GitHub