{"id":"CVE-2026-3910","published":"2026-03-13T19:55:11Z","modified":"2026-06-17T10:44:24Z","title":"Google Chromium V8 Improper Restriction of Operations Within the Bounds of a Memory Buffer Vulnerability","vendor":"Google","product":"Chromium V8","tier":"core","eol":null,"description":{"text":"Inappropriate implementation in V8 in Google Chrome prior to 146.0.7680.75 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":"A memory-safety flaw in the V8 JavaScript engine of Google Chromium (Chrome, prior to 146.0.7680.75) involves inappropriate implementation that can be triggered during script execution. A remote attacker can execute arbitrary code inside the browser sandbox by luring a user to a crafted HTML page, requiring no privileges but relying on user interaction to visit that page.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-23T07:14:49Z"},"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":0.02693,"percentile":0.85879,"date":"2026-10-30","provenance":"source"},"kev":{"dateAdded":"2026-03-13","dueDate":"2026-03-27","ransomware":false,"requiredAction":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","notes":"https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_12.html ; https://nvd.nist.gov/vuln/detail/CVE-2026-3910","provenance":"source"},"vulncheckKev":{"dateAdded":"2026-03-12","exploitedFirstSeen":"2026-03-12","ransomware":false,"evidence":[{"url":"https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_12.html","date":"2026-03-12"},{"url":"https://docs.google.com/spreadsheets/d/1lkNJ0uQwbeC1ZTRrxdtuPLCIl7mlUreoKfSIgajnSyY/edit","date":"2026-03-12"},{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2026-03-13"},{"url":"https://www.recordedfuture.com/blog/march-2026-cve-landscape","date":"2026-04-13"},{"url":"https://ti.qianxin.com/uploads/2026/10/29/20ab59a356a884498644cff73d47a13a.pdf","date":"2026-10-29"}],"evidenceTotal":5,"provenance":"source"},"exploited":true,"otx":{"pulseCount":50,"pulses":[{"name":"Actively_Exploited_Kev | Oct 31, 2026","url":"https://otx.alienvault.com/pulse/6ae4aefab0c2191cecd41862","created":"2026-10-30"},{"name":"Actively_Exploited_Kev | Oct 30, 2026","url":"https://otx.alienvault.com/pulse/6ae35d889ea92b4ce19c2680","created":"2026-10-29"},{"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-94","name":"Improper Control of Generation of Code"},{"id":"CWE-119","name":"Improper Restriction of Operations within the Bounds of a Memory Buffer"}],"references":[{"url":"https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_12.html","tags":["Release Notes","Vendor Advisory"]},{"url":"https://issues.chromium.org/issues/491410818","tags":["Permissions Required"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-3910","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 malicious web page content","mappingType":"exploitation_technique","evidence":[{"from":"description","quote":"via a crafted HTML page","start":144,"end":167}],"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: Arbitrary code execution inside browser sandbox","mappingType":"primary_impact","evidence":[{"from":"description","quote":"execute arbitrary code inside a sandbox","start":104,"end":143}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"}],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2026-11736","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-11736","exploited":true,"exploitedSince":"2026-03-13","provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":[],"flow":[{"stage":"exploitation","techniques":["T1189"],"provenance":"ai"},{"stage":"primary","techniques":["T1059"],"provenance":"ai"}],"timeline":[{"date":"2026-03-12","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_12.html","provenance":"source"},{"date":"2026-03-13","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-3910","provenance":"source"},{"date":"2026-03-13","kind":"kev","label":"Added to CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","provenance":"source"},{"date":"2026-03-13","kind":"euvd-exploited","label":"ENISA EUVD: exploited","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-11736","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":0},"priority":{"score":66.3,"factors":[{"name":"In a KEV catalog","points":35.0,"detail":"listed in CISA KEV and VulnCheck KEV"},{"name":"Recent KEV listing","points":5.0,"detail":"added 233 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":17.18,"detail":"percentile 0.8588"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":0.0,"detail":"none found"},{"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-119"}}