{"id":"CVE-2023-3079","published":"2023-06-05T22:15:12Z","modified":"2026-10-08T18:04:20Z","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 114.0.5735.110 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)","provenance":"source","from":"NVD"},"summary":{"text":"A type confusion flaw in the V8 JavaScript engine of Google Chromium (in Google Chrome versions before 114.0.5735.110) can lead to heap corruption. An attacker needs only to get a victim to load a crafted HTML page remotely, with no authentication required, though the victim must interact with the page.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-31T04:54:16Z"},"cvss":{"score":8.8,"severity":"HIGH","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","provenance":"source","from":"NVD"},"epss":{"score":0.37858,"percentile":0.98543,"date":"2026-10-30","provenance":"source"},"kev":{"dateAdded":"2023-06-07","dueDate":"2023-06-28","ransomware":false,"requiredAction":"Apply updates per vendor instructions.","notes":"https://chromereleases.googleblog.com/2023/06/stable-channel-update-for-desktop.html; https://nvd.nist.gov/vuln/detail/CVE-2023-3079","provenance":"source"},"vulncheckKev":{"dateAdded":"2023-06-01","exploitedFirstSeen":"2023-06-01","ransomware":false,"evidence":[{"url":"https://docs.google.com/spreadsheets/d/1lkNJ0uQwbeC1ZTRrxdtuPLCIl7mlUreoKfSIgajnSyY/edit","date":"2023-06-01"},{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2023-06-07"},{"url":"https://securelist.com/it-threat-evolution-q2-2023-non-mobile-statistics/110413/","date":"2023-08-30"},{"url":"https://ti.qianxin.com/uploads/2024/02/02/dcc93e586f9028c68e7ab34c3326ff31.pdf","date":"2024-02-02"},{"url":"https://storage.googleapis.com/gweb-uniblog-publish-prod/documents/Buying_Spying_-_Insights_into_Commercial_Surveillance_Vendors.pdf","date":"2024-02-06"},{"url":"https://thehackernews.com/2024/02/global-coalition-and-tech-giants-unite.html","date":"2024-02-07"},{"url":"https://www.cisa.gov/sites/default/files/2024-07/aa24-207a-dprk-cyber-group-conducts-global-espionage-campaign.pdf","date":"2024-07-25"},{"url":"https://cloud.google.com/blog/topics/threat-intelligence/intellexa-zero-day-exploits-continue","date":"2025-12-03"}],"evidenceTotal":8,"provenance":"source"},"exploited":true,"otx":{"pulseCount":50,"pulses":[{"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"},{"name":"Actively_Exploited_Kev | Oct 19, 2026","url":"https://otx.alienvault.com/pulse/6ad4dda174e5797d0bd238b7","created":"2026-10-18"},{"name":"Actively_Exploited_Kev | Oct 18, 2026","url":"https://otx.alienvault.com/pulse/6ad38c22e1848f8189d1c121","created":"2026-10-17"}],"provenance":"machine"},"cwes":[{"id":"CWE-843","name":"Access of Resource Using Incompatible Type"}],"references":[{"url":"http://packetstormsecurity.com/files/176211/Chrome-V8-Type-Confusion.html","tags":["Third Party Advisory","VDB Entry"]},{"url":"http://packetstormsecurity.com/files/176212/Chrome-V8-Type-Confusion-New-Sandbox-Escape.html","tags":["Third Party Advisory","VDB Entry"]},{"url":"https://chromereleases.googleblog.com/2023/06/stable-channel-update-for-desktop.html","tags":["Vendor Advisory"]},{"url":"https://crbug.com/1450481","tags":["Exploit","Issue Tracking"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DYTXO5E3FI3I2ETDP3HF4SHYYTFMKMIC/","tags":["Mailing List","Third Party Advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U4OXTNIZY4JYHJT7CVLPAJQILI6BISVM/","tags":["Mailing List","Third Party Advisory"]},{"url":"https://security.gentoo.org/glsa/202311-11","tags":["Third Party Advisory"]},{"url":"https://security.gentoo.org/glsa/202401-34","tags":["Third Party Advisory"]},{"url":"https://www.couchbase.com/alerts/","tags":["Third Party Advisory"]},{"url":"https://www.debian.org/security/2023/dsa-5420","tags":["Mailing List","Third Party Advisory"]},{"url":"http://packetstormsecurity.com/files/176211/Chrome-V8-Type-Confusion.html","tags":["Third Party Advisory","VDB Entry"]},{"url":"http://packetstormsecurity.com/files/176212/Chrome-V8-Type-Confusion-New-Sandbox-Escape.html","tags":["Third Party Advisory","VDB Entry"]},{"url":"https://chromereleases.googleblog.com/2023/06/stable-channel-update-for-desktop.html","tags":["Vendor Advisory"]},{"url":"https://crbug.com/1450481","tags":["Exploit","Issue Tracking"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DYTXO5E3FI3I2ETDP3HF4SHYYTFMKMIC/","tags":["Mailing List","Third Party Advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U4OXTNIZY4JYHJT7CVLPAJQILI6BISVM/","tags":["Mailing List","Third Party Advisory"]},{"url":"https://security.gentoo.org/glsa/202311-11","tags":["Third Party Advisory"]},{"url":"https://security.gentoo.org/glsa/202401-34","tags":["Third Party Advisory"]},{"url":"https://www.couchbase.com/alerts/","tags":["Third Party Advisory"]},{"url":"https://www.debian.org/security/2023/dsa-5420","tags":["Mailing List","Third Party Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-3079","tags":["US Government Resource"]}],"techniques":[{"id":"T1189","name":"Drive-by Compromise","tactics":["initial-access"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: Drive-by via crafted HTML page visited","mappingType":"exploitation_technique","evidence":[{"from":"description","quote":"allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page","start":62,"end":150}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"},{"id":"T1059","name":"Command and Scripting Interpreter","tactics":["execution"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: Heap corruption in V8 JavaScript engine enables code execution","mappingType":"primary_impact","evidence":[{"from":"description","quote":"Type confusion in V8 in Google Chrome prior to 114.0.5735.110","start":0,"end":61}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"}],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2023-43770","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-43770","exploited":true,"exploitedSince":"2023-06-07","provenance":"source"},"exploits":[],"exploitSources":{"pocGithub":{"count":1,"skipped":0,"earliest":"2023-08-15","earliestUrl":"https://github.com/mistymntncop/CVE-2023-3079","repos":[{"name":"mistymntncop/CVE-2023-3079","url":"https://github.com/mistymntncop/CVE-2023-3079","stars":131,"created":"2023-08-15"}]},"first":{"date":"2023-08-15","source":"PoC-in-GitHub","url":"https://github.com/mistymntncop/CVE-2023-3079"},"provenance":"source"},"exploitRefs":["https://crbug.com/1450481","http://packetstormsecurity.com/files/176211/Chrome-V8-Type-Confusion.html","http://packetstormsecurity.com/files/176212/Chrome-V8-Type-Confusion-New-Sandbox-Escape.html"],"flow":[{"stage":"exploitation","techniques":["T1189"],"provenance":"ai"},{"stage":"primary","techniques":["T1059"],"provenance":"ai"}],"timeline":[{"date":"2023-06-01","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://docs.google.com/spreadsheets/d/1lkNJ0uQwbeC1ZTRrxdtuPLCIl7mlUreoKfSIgajnSyY/edit","provenance":"source"},{"date":"2023-06-05","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-3079","provenance":"source"},{"date":"2023-06-07","kind":"kev","label":"Added to CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","provenance":"source"},{"date":"2023-06-07","kind":"euvd-exploited","label":"ENISA EUVD: exploited","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-43770","provenance":"source"},{"date":"2023-08-15","kind":"exploit-public","label":"First public exploit: PoC-in-GitHub","url":"https://github.com/mistymntncop/CVE-2023-3079","provenance":"source"}],"speed":{"daysToPublicExploit":71,"firstExploitFrom":"PoC-in-GitHub","daysToKev":2},"priority":{"score":68.9,"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 1248 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":19.71,"detail":"percentile 0.9854"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":5.0,"detail":"1 NVD reference tagged Exploit; 2 NVD exploit links; 1 PoC-in-GitHub repo"},{"name":"Mentioned in OTX pulses","points":3.0,"detail":"50 pulses"},{"name":"CVSS severity","points":6.16,"detail":"base score 8.8"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]},"lineage":{"familyId":"fam-class-google-chrome-cwe-843"}}