{"id":"CVE-2022-3723","kind":"vulnerability","aliases":["CVE-2022-3723"],"related":[],"title":"Type confusion in V8 in Google Chrome prior to 107.0.5304.87 allowed a remote attacker to potentially exploit heap…","description":"Google Chromium V8 Engine contains a type confusion vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.\n\nCISA required action: Apply updates per vendor instructions.","summary":"A type confusion bug in the V8 JavaScript engine used by Chromium lets a crafted HTML page corrupt heap memory. An attacker who gets a victim to load the page can potentially run code in the browser.","severity":"high","cvss":8.8,"epss":null,"exploited":true,"exploited_at":"2022-10-28T00:00:00+00:00","products":[{"name":"Google Chromium V8","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"google chrome","fixed":["107.0.5304.87"],"affected":"< 107.0.5304.87","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["browser-users","chromium","exploited","google-chrome","microsoft-edge","opera","runtime"],"not_affected_if":["already-patched-browser"],"how_to_check":"Open chrome://version (or edge://version, opera://version) and compare the Chromium version to the fixed release in the vendor advisory.","fix":"Update Google Chrome, Microsoft Edge, Opera or other Chromium-based browsers to the latest stable release per vendor instructions.","status":"open","published_at":"2022-10-28T00:00:00+00:00","first_seen_at":"2026-10-23T19:11:52+00:00","triaged_at":"2026-10-23T21:09:02+00:00","updated_at":"2026-10-23T22:29:04+00:00","category":"runtime","confidence":0.6,"triage":{"at":"2026-10-23T21:09:02Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome, Microsoft Edge, Opera or other Chromium-based browsers to the latest stable release per vendor instructions.\nunknown","reach":"internet","impact":"high","summary":"A type confusion bug in the V8 JavaScript engine used by Chromium lets a crafted HTML page corrupt heap memory. An attacker who gets a victim to load the page can potentially run code in the browser.","category":"runtime","who_cares":["chromium","google-chrome","microsoft-edge","opera","browser-users"],"confidence":0.6,"needs_auth":"no","worst_case":"Attacker runs code inside the browser process via a malicious web page.","analyst_note":"Find the fixed Chromium version and vendor advisory for CVE-2022-3723 (Chrome stable release notes, late 2022) to fill in the version check and fix.","how_to_check":"Open chrome://version (or edge://version, opera://version) and compare the Chromium version to the fixed release in the vendor advisory.\nunknown\nunknown","needs_analyst":true,"not_affected_if":["already-patched-browser"],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000495,"input_tokens":2847,"output_tokens":421,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2022':20A,23A '-3723':21A,24A '107.0.5304.87':10A 'action':127C 'affect':107C 'allow':11A,90C 'appli':128C 'attack':14A,64B,93C 'browser':31B,79B,110C 'browser-us':30B 'bug':46B 'chrome':7A,29A,37B,120C 'chromium':26A,33B,54B,81C,113C 'cisa':125C 'code':76B 'confus':2A,45B,87C 'contain':84C 'corrupt':60B,98C 'could':106C 'craft':57B,101C 'cve':19A,22A 'edg':40B,122C 'engin':51B,83C 'exploit':17A,34B,96C 'get':66B 'googl':6A,36B,80C,119C 'google':25A,28A 'google-chrom':35B 'heap':18A,61B,97C 'html':58B,102C 'includ':114C 'instruct':132C 'javascript':50B 'let':55B 'limit':117C 'load':70B 'memori':62B 'microsoft':39B,121C 'microsoft-edg':38B 'multipl':108C 'opera':41B,124C 'page':59B,72B,103C 'per':130C 'potenti':16A,74B,95C 'prior':8A 'remot':13A,92C 'requir':126C 'run':75B 'runtim':42B 'type':1A,44B,86C 'updat':129C 'use':52B 'user':32B 'util':112C 'v8':4A,27A,49B,82C 'vendor':131C 'via':99C 'victim':68B 'vulner':88C,105C 'web':109C","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2022-10-28T00:00:00+00:00","kev":{"dateAdded":"2022-10-28","dueDate":"2022-11-18","requiredAction":"Apply updates per vendor instructions.","knownRansomwareCampaignUse":"Unknown"},"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cvss_by":"nvd@nist.gov","poc_count":0,"sources":[{"source":"kev","external_id":"CVE-2022-3723","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2022-3723","severity":null,"published_at":"2022-10-28T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:52+00:00","fetched_at":"2026-10-25T20:35:35+00:00","note":null},{"source":"nvd","external_id":"CVE-2022-3723","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-3723","severity":null,"published_at":"2022-11-01T23:15:19+00:00","modified_at":"2026-06-17T05:00:10+00:00","first_seen_at":"2026-10-23T22:29:04+00:00","fetched_at":"2026-10-23T22:29:04+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}