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CVE-2012-1876 is a heap-based buffer overflow in Microsoft Internet Explorer 6 through 9 and Internet Explorer 10 Consumer Preview. Internet Explorer improperly handles objects in memory when an attempt is made to access a nonexistent object, enabling remote arbitrary code execution.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos (4 hidden).
This repository contains a single Metasploit module (ms12_037_ie_colspan.rb) that exploits a heap overflow vulnerability (CVE-2012-1876) in Microsoft Internet Explorer 8 on Windows XP SP3 and Windows 7 SP1. The exploit is triggered when a victim visits a malicious web page served by the attacker's Metasploit instance. The module uses a combination of JavaScript heap spray and ROP chains to achieve arbitrary code execution in the context of the browser. The payload is fully customizable using Metasploit's payload system, allowing for actions such as reverse shells or meterpreter sessions. The module is weaponized and ready for operational use within the Metasploit framework. The only network endpoint is the HTTP server provided by the module itself, which serves the exploit page to the victim's browser.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A Microsoft Internet Explorer memory-handling vulnerability used by the Sundown exploit kit.
A specific vulnerability used by exploit kits according to the table.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.