Is CVE-2013-2551 actively exploited?

Yes. CVE-2013-2551 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2013-2551 be exploited remotely?

The attack vector of CVE-2013-2551 has not been classified yet.

What is the CVSS score of CVE-2013-2551?

CVE-2013-2551 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2013-2551

HIGHCISA KEVIN THE WILD

CVE-2013-2551

Published: March 28, 2022

EPSS:91.27%probability of exploitation in 30 daysPercentile:99.6th

Official Description

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.

NVD Source

CISA KEV Advisory

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.

Added to KEV: 2022-03-28Federal patch deadline: 2022-04-18⚠ USED IN RANSOMWARE CAMPAIGNS

Required Action (CISA)

Apply updates per vendor instructions.

Risk Analysis

This use-after-free vulnerability in Microsoft Internet Explorer allows remote attackers to execute arbitrary code. By crafting a malicious website, an attacker can trigger access to a deleted object, leading to code execution. The high EPSS score of 0.91271 indicates a very high likelihood of exploitation, making this a critical vulnerability. Its presence in CISA's KEV catalog confirms it has been actively exploited.

Active exploitation of this vulnerability has been observed in the wild. Attackers can exploit this remotely by tricking users into visiting a malicious website.

Recommended Action

Users should discontinue use of Microsoft Internet Explorer due to its end-of-life status and numerous critical vulnerabilities. Transition to modern, supported browsers that receive regular security updates.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2013-2551 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2013-2551 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.