{"id":"CVE-2026-76029","kind":"vulnerability","aliases":["CVE-2026-76029"],"related":[],"title":"Chrome: memory corruption in Network lets a crafted page run code","description":"Memory corruption in Network in Google Chrome prior to 156.0.8078.79 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)","summary":"A memory corruption flaw in the Network component of Google Chrome before 156.0.8078.79 lets a remote attacker run arbitrary code inside the browser sandbox. The attacker needs the victim to load a crafted HTML page.","severity":"high","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["browser","chrome","desktop","linux","macos","runtime","windows"],"not_affected_if":["chrome-156.0.8078.79-or-later"],"how_to_check":"- Open Chrome and check the version under Settings > About Chrome, or run `chrome --version` on the machine\n- Compare the installed version against `156.0.8078.79`","fix":"- Google Chrome: `156.0.8078.79` or later","status":"open","published_at":"2026-10-30T01:16:47+00:00","first_seen_at":"2026-10-30T01:27:59+00:00","triaged_at":"2026-10-30T01:29:43+00:00","updated_at":"2026-10-30T01:29:43+00:00","category":"runtime","confidence":0.8,"triage":{"at":"2026-10-30T01:29:43Z","model":"claude-haiku-5-5","output":{"fix":"- Google Chrome: `156.0.8078.79` or later","reach":"internet","title":"Chrome: memory corruption in Network lets a crafted page run code","impact":"high","summary":"A memory corruption flaw in the Network component of Google Chrome before 156.0.8078.79 lets a remote attacker run arbitrary code inside the browser sandbox. The attacker needs the victim to load a crafted HTML page.","audience":"everyone","category":"runtime","nicknames":[],"who_cares":["chrome","browser","desktop","windows","macos","linux"],"confidence":0.8,"fix_status":"available","needs_auth":"no","worst_case":"Attacker runs arbitrary code inside the browser sandbox after a visit","analyst_note":"","how_to_check":"- Open Chrome and check the version under Settings > About Chrome, or run `chrome --version` on the machine\n- Compare the installed version against `156.0.8078.79`","plain_action":"Update Google Chrome to version 156.0.8078.79 or later from the browser's About Chrome page.","needs_analyst":false,"not_affected_if":["chrome-156.0.8078.79-or-later"],"who_is_affected":"Anyone running Google Chrome before 156.0.8078.79 who visits untrusted web pages is exposed. Chromium-based browsers that pick up the same fix are also affected until they update, and managed fleets should check every browser install.","user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000673,"input_tokens":4101,"output_tokens":526,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2026':13A,16A '-76029':14A,17A '156.0.8078.79':37B,69C 'allow':70C 'arbitrari':43B,77C 'attack':41B,50B,73C 'browser':18B,47B 'chrome':1A,19B,35B,66C 'chromium':87C 'code':11A,44B,78C 'compon':32B 'corrupt':3A,27B,61C 'craft':8A,57B,84C 'cve':12A,15A 'desktop':20B 'execut':76C 'flaw':28B 'googl':34B,65C 'high':90C 'html':58B,85C 'insid':45B,79C 'let':6A,38B 'linux':21B 'load':55B 'maco':22B 'memori':2A,26B,60C 'need':51B 'network':5A,31B,63C 'page':9A,59B,86C 'potenti':75C 'prior':67C 'remot':40B,72C 'run':10A,42B 'runtim':23B 'sandbox':48B,81C 'secur':88C 'sever':89C 'via':82C 'victim':53B 'window':24B","nicknames":[],"mitigations":[],"who_affected":"Anyone running Google Chrome before 156.0.8078.79 who visits untrusted web pages is exposed. Chromium-based browsers that pick up the same fix are also affected until they update, and managed fleets should check every browser install.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"everyone","plain_action":"Update Google Chrome to version 156.0.8078.79 or later from the browser's About Chrome page.","first_public_at":"2026-10-30T01:16:47+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-76029","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-76029","severity":null,"published_at":"2026-10-30T01:16:47+00:00","modified_at":"2026-10-30T01:16:47+00:00","first_seen_at":"2026-10-30T01:27:59+00:00","fetched_at":"2026-10-30T01:27:59+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"}