{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","feed_url":"https://feed.craftedsignal.io/cpes/cpe2.3amicrosoftinternet_explorer5.0.1sp4/feed.json","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cpes":["cpe:2.3:a:microsoft:internet_explorer:5.0.1:sp4:*:*:*:*:*:*","cpe:2.3:a:microsoft:internet_explorer:6:sp1:*:*:*:*:*:*","cpe:2.3:a:microsoft:internet_explorer:6:-:*:*:*:*:*:*","cpe:2.3:a:microsoft:internet_explorer:7.0:*:*:*:*:*:*:*","cpe:2.3:a:microsoft:internet_explorer:8:*:*:*:*:*:*:*"],"_cs_cves":[{"cvss":8.8,"id":"CVE-2010-0249"}],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["Internet Explorer"],"_cs_severities":["critical"],"_cs_tags":["cve","use-after-free","remote-code-execution"],"_cs_type":"advisory","_cs_vendors":["Microsoft"],"content_html":"\u003cp\u003eCVE-2010-0249 is a use-after-free vulnerability affecting Microsoft Internet Explorer. Remote attackers can exploit this vulnerability to achieve arbitrary code execution by manipulating a pointer related to a deallocated object. Given the age of this vulnerability, affected versions of Internet Explorer are likely end-of-life (EoL) and/or end-of-service (EoS), posing a significant risk to organizations that continue to rely on them. Defenders should prioritize identifying and eliminating instances of Internet Explorer within their environment.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAttacker crafts a malicious web page containing JavaScript code designed to trigger the use-after-free vulnerability in Internet Explorer.\u003c/li\u003e\n\u003cli\u003eThe victim visits the malicious web page using a vulnerable version of Internet Explorer.\u003c/li\u003e\n\u003cli\u003eThe JavaScript code manipulates objects in memory, leading to the premature deallocation of an object.\u003c/li\u003e\n\u003cli\u003eThe JavaScript code then accesses the memory associated with the deallocated object through a dangling pointer.\u003c/li\u003e\n\u003cli\u003eThis access corrupts memory, allowing the attacker to overwrite critical data structures.\u003c/li\u003e\n\u003cli\u003eThe attacker carefully crafts the memory corruption to redirect program execution to attacker-controlled code.\u003c/li\u003e\n\u003cli\u003eThe attacker-controlled code executes arbitrary commands on the victim\u0026rsquo;s machine, such as downloading and executing malware.\u003c/li\u003e\n\u003cli\u003eThe attacker achieves code execution on the victim\u0026rsquo;s system, potentially leading to data exfiltration, system compromise, or other malicious activities.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of CVE-2010-0249 allows a remote attacker to execute arbitrary code on the victim\u0026rsquo;s system. While the original impact likely varied, successful exploitation could lead to complete system compromise, data theft, or installation of malware. This is critical because the product is end-of-life.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDiscontinue use of Microsoft Internet Explorer due to the presence of unpatched vulnerabilities like CVE-2010-0249.\u003c/li\u003e\n\u003cli\u003eApply mitigations suggested in Microsoft Security Advisory 979352 to reduce the attack surface.\u003c/li\u003e\n\u003cli\u003eDeploy the Sigma rule \u0026ldquo;Detect CVE-2010-0249 Exploitation Attempt via Memory Access\u0026rdquo; to identify potential exploitation attempts.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-05-20T17:31:03Z","date_published":"2026-05-20T17:31:03Z","id":"https://feed.craftedsignal.io/briefs/2026-05-ie-use-after-free/","summary":"Microsoft Internet Explorer is vulnerable to a use-after-free vulnerability (CVE-2010-0249) that allows remote attackers to execute arbitrary code by accessing a pointer associated with a deleted object.","title":"CVE-2010-0249: Microsoft Internet Explorer Use-After-Free Vulnerability","url":"https://feed.craftedsignal.io/briefs/2026-05-ie-use-after-free/"}],"language":"en","title":"CraftedSignal Threat Feed — Cpe:2.3:a:microsoft:internet_explorer:5.0.1:sp4:*:*:*:*:*:*","version":"https://jsonfeed.org/version/1.1"}