{"id":"CVE-2024-4947","published":"2024-05-15T21:15:09Z","modified":"2026-06-17T08:03:15Z","title":"Google Chromium V8 Type Confusion Vulnerability","vendor":"Google","product":"Chromium V8","tier":"core","eol":null,"description":{"text":"Type Confusion in V8 in Google Chrome prior to 125.0.6422.60 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)","provenance":"source","from":"NVD"},"summary":{"text":"The flaw is a type confusion bug in the V8 JavaScript engine of Google Chrome (Chromium V8), which causes the engine to access a resource using an incompatible type. An attacker who lures a user to a crafted HTML page can execute arbitrary code inside the browser sandbox, requiring only that the victim open the page in a vulnerable Chrome build (prior to 125.0.6422.60) with no authentication.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-30T13:36:39Z"},"cvss":{"score":9.6,"severity":"CRITICAL","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","provenance":"source","from":"NVD"},"epss":{"score":0.15236,"percentile":0.96752,"date":"2026-10-29","provenance":"source"},"kev":{"dateAdded":"2024-05-20","dueDate":"2024-06-10","ransomware":false,"requiredAction":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","notes":"https://chromereleases.googleblog.com/2024/05/stable-channel-update-for-desktop_15.html; https://nvd.nist.gov/vuln/detail/CVE-2024-4947","provenance":"source"},"vulncheckKev":{"dateAdded":"2024-05-13","exploitedFirstSeen":"2024-05-13","ransomware":false,"evidence":[{"url":"https://docs.google.com/spreadsheets/d/1lkNJ0uQwbeC1ZTRrxdtuPLCIl7mlUreoKfSIgajnSyY/edit","date":"2024-05-13"},{"url":"https://chromereleases.googleblog.com/2024/05/stable-channel-update-for-desktop_15.html","date":"2024-05-15"},{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2024-05-20"},{"url":"https://www.uptycs.com/blog/uptycs-quarterly-cyber-threat-bulletin-q2-2024","date":"2024-07-02"},{"url":"https://ti.qianxin.com/uploads/2024/08/19/2274f632f6a1d8acd2f1801c24887edb.pdf","date":"2024-08-19"},{"url":"https://securelist.com/lazarus-apt-steals-crypto-with-a-tank-game/114282/","date":"2024-10-23"},{"url":"https://www.cyfirma.com/research/apt-quarterly-highlights-q4-2024/","date":"2025-02-06"},{"url":"https://www.gendigital.com/blog/insights/reports/threat-report-q4-2024","date":"2025-02-06"},{"url":"https://360.net/research/report/#:~:text=PDF-,Download,-Ransomware%20Prevalence%20Report","date":"2025-02-11"},{"url":"https://threatresearch.ext.hp.com/reviewing-zero-day-vulnerabilities-exploited-in-malware-campaigns-in-2024/","date":"2025-02-19"}],"evidenceTotal":12,"provenance":"source"},"exploited":true,"otx":{"pulseCount":50,"pulses":[{"name":"Actively_Exploited_Kev | Oct 30, 2026","url":"https://otx.alienvault.com/pulse/6ae35d889ea92b4ce19c2680","created":"2026-10-29"},{"name":"Adversary Unmasked APT Profile - Star Blizzard","url":"https://otx.alienvault.com/pulse/6ae244fe073f118d830cf4be","created":"2026-10-28"},{"name":"Actively_Exploited_Kev | Oct 29, 2026","url":"https://otx.alienvault.com/pulse/6ae20c1db17e7057ae7d9ad1","created":"2026-10-28"},{"name":"Actively_Exploited_Kev | Oct 28, 2026","url":"https://otx.alienvault.com/pulse/6ae0ba7e0e2a97ff7b218819","created":"2026-10-27"},{"name":"Actively_Exploited_Kev | Oct 27, 2026","url":"https://otx.alienvault.com/pulse/6adf68b85c3e852f3c111d18","created":"2026-10-26"},{"name":"Actively_Exploited_Kev | Oct 24, 2026","url":"https://otx.alienvault.com/pulse/6adb740e397c3ad4799aa4cd","created":"2026-10-23"},{"name":"Actively_Exploited_Kev | Oct 23, 2026","url":"https://otx.alienvault.com/pulse/6ada236fcfba2dfa730ea482","created":"2026-10-22"},{"name":"Actively_Exploited_Kev | Oct 22, 2026","url":"https://otx.alienvault.com/pulse/6ad8d33a077cbb5cab524d80","created":"2026-10-21"},{"name":"Actively_Exploited_Kev | Oct 21, 2026","url":"https://otx.alienvault.com/pulse/6ad78130c4d1ac2be83a8b6d","created":"2026-10-20"},{"name":"Actively_Exploited_Kev | Oct 20, 2026","url":"https://otx.alienvault.com/pulse/6ad62f63c24a405a3423cc13","created":"2026-10-19"}],"provenance":"machine"},"cwes":[{"id":"CWE-843","name":"Access of Resource Using Incompatible Type"}],"references":[{"url":"https://chromereleases.googleblog.com/2024/05/stable-channel-update-for-desktop_15.html","tags":["Vendor Advisory"]},{"url":"https://issues.chromium.org/issues/340221135","tags":["Exploit","Issue Tracking"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6G7EYH2JAK5OJPVNC6AXYQ5K7YGYNCDN/","tags":["Mailing List"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NTSN22LNYXMWHVTYNOYQVOY7VDZFHENQ/","tags":["Mailing List"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WSUWM73ZCXTN62AT2REYQDD5ZKPFMDZD/","tags":["Mailing List"]},{"url":"https://chromereleases.googleblog.com/2024/05/stable-channel-update-for-desktop_15.html","tags":["Vendor Advisory"]},{"url":"https://issues.chromium.org/issues/340221135","tags":["Exploit","Issue Tracking"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6G7EYH2JAK5OJPVNC6AXYQ5K7YGYNCDN/","tags":["Mailing List"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NTSN22LNYXMWHVTYNOYQVOY7VDZFHENQ/","tags":["Mailing List"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WSUWM73ZCXTN62AT2REYQDD5ZKPFMDZD/","tags":["Mailing List"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-4947","tags":["US Government Resource"]}],"techniques":[{"id":"T1189","name":"Drive-by Compromise","tactics":["initial-access"],"provenance":"source","basis":"ctid-kev","bases":["ctid-kev"],"basisDetail":"CTID Mappings Explorer KEV 07/28/2025 (ATT&CK 16.1); capability: Type Confusion","mappingType":"exploitation_technique","evidence":[],"comment":"CVE-2024-4947 is a type confusion vulnerability in Chrome's V8 JavaScript engine.\n\nAdversaries have been observed exploiting this vulnerability by hosting a web-based game on a site that triggered the vulnerability and executed arbitrary code. \n\nAdversaries promoted the game on social media and through emails.","confidence":"high"},{"id":"T1059","name":"Command and Scripting Interpreter","tactics":["execution"],"provenance":"source","basis":"ctid-kev","bases":["ctid-kev"],"basisDetail":"CTID Mappings Explorer KEV 07/28/2025 (ATT&CK 16.1); capability: Type Confusion","mappingType":"primary_impact","evidence":[],"comment":"CVE-2024-4947 is a type confusion vulnerability in Chrome's V8 JavaScript engine.\n\nAdversaries have been observed exploiting this vulnerability by hosting a web-based game on a site that triggered the vulnerability and executed arbitrary code. \n\nAdversaries promoted the game on social media and through emails.","confidence":"high"}],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2024-44509","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2024-44509","exploited":true,"exploitedSince":"2024-05-20","provenance":"source"},"exploits":[],"exploitSources":{"pocGithub":{"count":1,"skipped":1,"earliest":"2025-07-21","earliestUrl":"https://github.com/bjrjk/CVE-2024-4947","repos":[{"name":"bjrjk/CVE-2024-4947","url":"https://github.com/bjrjk/CVE-2024-4947","stars":32,"created":"2025-07-21"}]},"first":{"date":"2025-07-21","source":"PoC-in-GitHub","url":"https://github.com/bjrjk/CVE-2024-4947"},"provenance":"source"},"exploitRefs":["https://issues.chromium.org/issues/340221135"],"flow":[{"stage":"exploitation","techniques":["T1189"],"provenance":"source"},{"stage":"primary","techniques":["T1059"],"provenance":"source"}],"timeline":[{"date":"2024-05-13","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://docs.google.com/spreadsheets/d/1lkNJ0uQwbeC1ZTRrxdtuPLCIl7mlUreoKfSIgajnSyY/edit","provenance":"source"},{"date":"2024-05-15","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-4947","provenance":"source"},{"date":"2024-05-20","kind":"kev","label":"Added to CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","provenance":"source"},{"date":"2024-05-20","kind":"euvd-exploited","label":"ENISA EUVD: exploited","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2024-44509","provenance":"source"},{"date":"2025-07-21","kind":"exploit-public","label":"First public exploit: PoC-in-GitHub","url":"https://github.com/bjrjk/CVE-2024-4947","provenance":"source"}],"speed":{"daysToPublicExploit":432,"firstExploitFrom":"PoC-in-GitHub","daysToKev":5},"priority":{"score":69.1,"factors":[{"name":"In a KEV catalog","points":35.0,"detail":"listed in CISA KEV and VulnCheck KEV"},{"name":"Recent KEV listing","points":0.0,"detail":"added 900 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":19.35,"detail":"percentile 0.9675"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":5.0,"detail":"1 NVD reference tagged Exploit; 1 PoC-in-GitHub repo"},{"name":"Mentioned in OTX pulses","points":3.0,"detail":"50 pulses"},{"name":"CVSS severity","points":6.72,"detail":"base score 9.6"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]},"lineage":{"familyId":"fam-class-google-chrome-cwe-843"}}