{"id":"CVE-2010-3962","url":"https://www.cyber-defence.io/tools/cve/CVE-2010-3962","generatedAt":"2026-10-31T23:41:09.022Z","title":"Microsoft Internet Explorer Uninitialized Memory Corruption Vulnerability","description":"Use-after-free vulnerability in Microsoft Internet Explorer 6, 7, and 8 allows remote attackers to execute arbitrary code via vectors related to Cascading Style Sheets (CSS) token sequences and the clip attribute, aka an \"invalid flag reference\" issue or \"Uninitialized Memory Corruption Vulnerability,\" as exploited in the wild in November 2010.","published":"2010-11-05T17:00:03.000Z","lastModified":"2026-06-16T23:23:54.000Z","status":"Analyzed","sourceIdentifier":"secure@microsoft.com","cvss":{"version":"3.1","score":8.1,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-416"],"affected":["microsoft/internet explorer"],"epss":{"score":0.96831,"percentile":0.99887,"date":"2026-10-30","history":[]},"kev":{"listed":true,"dateAdded":"2025-10-06","dueDate":"2025-10-27","knownRansomwareCampaignUse":"Unknown","notes":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.\nhttps://learn.microsoft.com/en-us/security-updates/SecurityAdvisories/2010/2458511?redirectedfrom=MSDN ; https://nvd.nist.gov/vuln/detail/CVE-2010-3962"},"exploits":{"count":3,"verified":true,"firstPublished":"2010-11-04","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":16551,"kind":"exploit","title":"Microsoft Internet Explorer - CSS SetUserClip Memory Corruption (MS10-090) (Metasploit)","url":"https://www.exploit-db.com/exploits/16551","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/windows/remote/16551.rb","file":"exploits/windows/remote/16551.rb","published":"2011-01-20","added":"2011-01-20","updated":"2011-03-10","author":"Metasploit","type":"remote","platform":"windows","port":null,"verified":true,"codes":["CVE-2010-3962","OSVDB-68987","MS10-090"],"tags":"Metasploit Framework (MSF)","aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"http://www.microsoft.com/technet/security/advisory/2458511.mspx"},{"edbId":15421,"kind":"exploit","title":"Microsoft Internet Explorer 6/7/8 - Memory Corruption","url":"https://www.exploit-db.com/exploits/15421","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/windows/remote/15421.html","file":"exploits/windows/remote/15421.html","published":"2010-11-04","added":"2010-11-04","updated":"2010-11-06","author":"ryujin","type":"remote","platform":"windows","port":null,"verified":true,"codes":["CVE-2010-3962","OSVDB-69160","OSVDB-68987"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":"http://www.exploit-db.com/screenshots/idlt15500/15421.png","referenceUrl":null},{"edbId":15418,"kind":"exploit","title":"Microsoft Internet Explorer - Memory Corruption","url":"https://www.exploit-db.com/exploits/15418","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/windows/dos/15418.html","file":"exploits/windows/dos/15418.html","published":"2010-11-04","added":"2010-11-04","updated":"2017-11-03","author":"anonymous","type":"dos","platform":"windows","port":null,"verified":true,"codes":["CVE-2010-3962","OSVDB-69160","OSVDB-68987"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":"http://www.exploit-db.com/screenshots/idlt15500/screen-shot-2010-11-04-at-91605-am.png","referenceUrl":null}]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 27 October 2025). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[],"references":[{"url":"http://blogs.technet.com/b/msrc/archive/2010/11/02/microsoft-releases-security-advisory-2458511.aspx","tags":["Vendor Advisory"],"source":"secure@microsoft.com"},{"url":"http://secunia.com/advisories/42091","tags":["Broken Link","Vendor Advisory"],"source":"secure@microsoft.com"},{"url":"http://www.exploit-db.com/exploits/15418","tags":["Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"http://www.exploit-db.com/exploits/15421","tags":["Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"http://www.kb.cert.org/vuls/id/899748","tags":["Third Party Advisory","US Government Resource"],"source":"secure@microsoft.com"},{"url":"http://www.microsoft.com/technet/security/advisory/2458511.mspx","tags":["Patch","Vendor Advisory"],"source":"secure@microsoft.com"},{"url":"http://www.securityfocus.com/bid/44536","tags":["Broken Link","Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"http://www.securitytracker.com/id?1024676","tags":["Broken Link","Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"http://www.symantec.com/connect/blogs/new-ie-0-day-used-targeted-attacks","tags":["Not Applicable"],"source":"secure@microsoft.com"},{"url":"http://www.us-cert.gov/cas/techalerts/TA10-348A.html","tags":["Third Party Advisory","US Government Resource"],"source":"secure@microsoft.com"},{"url":"http://www.vupen.com/english/advisories/2010/2880","tags":["Broken Link","Vendor Advisory"],"source":"secure@microsoft.com"},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-090","tags":["Patch","Vendor Advisory"],"source":"secure@microsoft.com"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/62962","tags":["Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12279","tags":["Tool Signature"],"source":"secure@microsoft.com"},{"url":"http://blogs.technet.com/b/msrc/archive/2010/11/02/microsoft-releases-security-advisory-2458511.aspx","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/42091","tags":["Broken Link","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.exploit-db.com/exploits/15418","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.exploit-db.com/exploits/15421","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.kb.cert.org/vuls/id/899748","tags":["Third Party Advisory","US Government Resource"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.microsoft.com/technet/security/advisory/2458511.mspx","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/44536","tags":["Broken Link","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id?1024676","tags":["Broken Link","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.symantec.com/connect/blogs/new-ie-0-day-used-targeted-attacks","tags":["Not Applicable"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.us-cert.gov/cas/techalerts/TA10-348A.html","tags":["Third Party Advisory","US Government Resource"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.vupen.com/english/advisories/2010/2880","tags":["Broken Link","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-090","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/62962","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12279","tags":["Tool Signature"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2010-3962","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2010-3962","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}