CVE-2013-3143

Exp

Microsoft Internet Explorer 9 and 10 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Internet Explorer Memory Corruption Vulnerability," a different vulnerability than CVE-2013-3161.

Published: 2013-07-09 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2013-3143 is rated High Exploit Risk (88.3/100): CVSS Critical severity, with high exploitation likelihood (EPSS 32.75%, 98th percentile). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.76% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2013-3143

EDB-ID Source Kind Published Link
40923 exploit_db edb 2016-12-15 Exploit-DB ↗
28187 exploit_db edb 2013-09-10 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2013-3143

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 30.99% 32.75% +1.76%
2 2026-03-24 42.97% 30.99% -11.99%
3 2026-03-03 42.97%

Full EPSS history (20 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-3143

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.3 2.0 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
8.6 10.0 [email protected]

Weakness enumeration for CVE-2013-3143

Affected software / configurations for CVE-2013-3143

Vendor Product Version Raw CPE
microsoft internet_explorer 9 cpe:2.3:a:microsoft:internet_explorer:9:*:*:*:*:*:*:*
microsoft internet_explorer 10 cpe:2.3:a:microsoft:internet_explorer:10:*:*:*:*:*:*:*

References for CVE-2013-3143

cvelogic Threat Intelligence