{"id":"CVE-2023-2033","published":"2023-04-14T19:15:09Z","modified":"2026-06-17T05:51:14Z","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 112.0.5615.121 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)","provenance":"source","from":"NVD"},"summary":{"text":"Type confusion in the V8 JavaScript engine of Google Chrome (Chromium V8 component) lets a remote attacker potentially trigger heap corruption. The attack requires only that the victim open a crafted HTML page, with no prior authentication needed but user interaction required.","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":0.40798,"percentile":0.98652,"date":"2026-10-30","provenance":"source"},"kev":{"dateAdded":"2023-04-17","dueDate":"2023-05-08","ransomware":false,"requiredAction":"Apply updates per vendor instructions.","notes":"https://chromereleases.googleblog.com/2023/04/stable-channel-update-for-desktop_14.html;  https://nvd.nist.gov/vuln/detail/CVE-2023-2033","provenance":"source"},"vulncheckKev":{"dateAdded":"2023-04-11","exploitedFirstSeen":"2023-04-11","ransomware":false,"evidence":[{"url":"https://docs.google.com/spreadsheets/d/1lkNJ0uQwbeC1ZTRrxdtuPLCIl7mlUreoKfSIgajnSyY/edit","date":"2023-04-11"},{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2023-04-17"},{"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.gendigital.com/blog/news/innovation/aligater","date":"2024-09-17"},{"url":"https://www.gendigital.com/blog/insights/reports/threat-report-q3-2024","date":"2024-11-19"},{"url":"https://cloud.google.com/blog/topics/threat-intelligence/intellexa-zero-day-exploits-continue","date":"2025-12-03"}],"evidenceTotal":9,"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":"https://chromereleases.googleblog.com/2023/04/stable-channel-update-for-desktop_14.html","tags":["Release Notes","Vendor Advisory"]},{"url":"https://crbug.com/1432210","tags":["Permissions Required"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4AOSGAOPXLBK4A5ZRTVZ4M6QKVLSWMWG/","tags":["Mailing List"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ES2CDRHR2Y4WY6DNDIAPYZFXJU3ZBFAV/","tags":["Mailing List"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FEJZMAUB4XP44HSHEBDWEKFGA7DUHY42/","tags":["Mailing List"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IHHD6KNH4WLUE6JG6HRQZWNAJMHJ32X7/","tags":["Mailing List"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RJQI63HWZFL6M26Q6UOHKDY6LD2PFC5Z/","tags":["Mailing List"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SLO7BL2MHZYPY6O3OAEAQL3SKYMGGO6M/","tags":["Mailing List"]},{"url":"https://security.gentoo.org/glsa/202309-17","tags":["Third Party Advisory"]},{"url":"https://www.couchbase.com/alerts/","tags":["Third Party Advisory"]},{"url":"https://www.debian.org/security/2023/dsa-5390","tags":["Third Party Advisory"]},{"url":"https://chromereleases.googleblog.com/2023/04/stable-channel-update-for-desktop_14.html","tags":["Release Notes","Vendor Advisory"]},{"url":"https://crbug.com/1432210","tags":["Permissions Required"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4AOSGAOPXLBK4A5ZRTVZ4M6QKVLSWMWG/","tags":["Mailing List"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ES2CDRHR2Y4WY6DNDIAPYZFXJU3ZBFAV/","tags":["Mailing List"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FEJZMAUB4XP44HSHEBDWEKFGA7DUHY42/","tags":["Mailing List"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IHHD6KNH4WLUE6JG6HRQZWNAJMHJ32X7/","tags":["Mailing List"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RJQI63HWZFL6M26Q6UOHKDY6LD2PFC5Z/","tags":["Mailing List"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SLO7BL2MHZYPY6O3OAEAQL3SKYMGGO6M/","tags":["Mailing List"]},{"url":"https://security.gentoo.org/glsa/202309-17","tags":["Third Party Advisory"]},{"url":"https://www.couchbase.com/alerts/","tags":["Third Party Advisory"]},{"url":"https://www.debian.org/security/2023/dsa-5390","tags":["Third Party Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-2033","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: Remote attacker lures victim via crafted HTML page","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 enables code execution","mappingType":"primary_impact","evidence":[{"from":"description","quote":"Type confusion in V8 in Google Chrome prior to 112.0.5615.121","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-2023-33560","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-33560","exploited":true,"exploitedSince":"2023-04-17","provenance":"source"},"exploits":[],"exploitSources":{"pocGithub":{"count":4,"skipped":2,"earliest":"2023-04-17","earliestUrl":"https://github.com/insoxin/CVE-2023-2033","repos":[{"name":"mistymntncop/CVE-2023-2033","url":"https://github.com/mistymntncop/CVE-2023-2033","stars":64,"created":"2023-08-02"},{"name":"sandumjacob/CVE-2023-2033-Analysis","url":"https://github.com/sandumjacob/CVE-2023-2033-Analysis","stars":20,"created":"2023-04-26"},{"name":"insoxin/CVE-2023-2033","url":"https://github.com/insoxin/CVE-2023-2033","stars":4,"created":"2023-04-17"},{"name":"jamezx32/CVE-2023-2033","url":"https://github.com/jamezx32/CVE-2023-2033","stars":0,"created":"2026-10-14"}]},"first":{"date":"2023-04-17","source":"PoC-in-GitHub","url":"https://github.com/insoxin/CVE-2023-2033"},"provenance":"source"},"exploitRefs":[],"flow":[{"stage":"exploitation","techniques":["T1189"],"provenance":"ai"},{"stage":"primary","techniques":["T1059"],"provenance":"ai"}],"timeline":[{"date":"2023-04-11","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://docs.google.com/spreadsheets/d/1lkNJ0uQwbeC1ZTRrxdtuPLCIl7mlUreoKfSIgajnSyY/edit","provenance":"source"},{"date":"2023-04-14","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-2033","provenance":"source"},{"date":"2023-04-17","kind":"exploit-public","label":"First public exploit: PoC-in-GitHub","url":"https://github.com/insoxin/CVE-2023-2033","provenance":"source"},{"date":"2023-04-17","kind":"kev","label":"Added to CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","provenance":"source"},{"date":"2023-04-17","kind":"euvd-exploited","label":"ENISA EUVD: exploited","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-33560","provenance":"source"}],"speed":{"daysToPublicExploit":3,"firstExploitFrom":"PoC-in-GitHub","daysToKev":3},"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 1299 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":19.73,"detail":"percentile 0.9865"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":5.0,"detail":"4 PoC-in-GitHub repos"},{"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"}}