CVE-2013-2551

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

8.8 HighIn KEVPublic exploit

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

74.1%Down 16.9 points since Feb 4, 2022

What each source reports

NVD Score used 8.8

Record: CVE-2013-2551
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0: 9.3 HighAV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness: CWE-416
Updated: 2026-11-02

CVE List 8.8

Record: CVE-2013-2551
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-416
Updated: 2026-11-02

EUVDEUVD-2013-2493 8.8

Record: EUVD-2013-2493
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-m5j6-8c2h-w4h7 8.8

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

Record: GHSA-m5j6-8c2h-w4h7
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-416
Updated: 2026-11-02

CISA KEV No score

Microsoft Internet Explorer Use-After-Free Vulnerability

Use-after-free vulnerability in Microsoft Internet Explorer allows remote attackers to execute remote code via a crafted web site that triggers access to a deleted object.

Record: CVE-2013-2551
Weakness: CWE-416
Updated: 2026-11-02

Affected products

microsoft internet explorer

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Metasploit	MS13-037 Microsoft Internet Explorer COALineDashStyleArray Integer Overflow	2013-03-06
Exploit-DB	Microsoft Internet Explorer - COALineDashStyleArray Integer Overflow (MS13-009) (Metasploit)	2013-06-13

History

History
Recorded	Changed	Sources
Nov 3, 2026	exploitation, exploits
Nov 2, 2026	first indexed	CVE List, EUVD, Exploit-DB, GitHub Advisories, CISA KEV, Metasploit, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2013-2551 is a high vulnerability (CVSS 8.8) in Microsoft Internet Explorer, published March 11, 2013. CISA lists it as known to be exploited, since March 28, 2022. EUVD reports exploitation since March 28, 2022. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 74.1%, the 99th percentile. No source names a fixed version.