CVE-2013-1311

Exp

Use-after-free vulnerability in Microsoft Internet Explorer 8 allows remote attackers to execute arbitrary code via a crafted web site that triggers access to a deleted object, aka "Internet Explorer Use After Free Vulnerability."

Published: 2013-05-15 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2013-1311 is rated High Exploit Risk (81.3/100): CVSS Critical severity, with high exploitation likelihood (EPSS 46.07%, 97th percentile). 1 public exploit reference(s) are indexed (Exploit-DB). 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-2013-1311

EDB-ID Source Kind Published Link
25999 exploit_db edb 2013-06-07 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2013-1311

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 2025-10-18 54.42% 46.07% -8.35%
2 2025-05-01 53.82% 54.42% +0.60%
3 2025-03-30 — 53.82% —

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-1311

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-2013-1311

Affected software / configurations for CVE-2013-1311

Vendor Product Version Raw CPE
microsoft internet_explorer 8 cpe:2.3:a:microsoft:internet_explorer:8:*:*:*:*:*:*:*

References for CVE-2013-1311

cvelogic Threat Intelligence