{"id":"CVE-2026-119266","kind":"vulnerability","aliases":["CVE-2026-119266"],"related":[],"title":"Google Chrome: use-after-free in Quota lets a web page run code","description":"Use after free in Quota 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-handling bug in the Quota component of Google Chrome, before 156.0.8078.79, lets a crafted HTML page trigger a use-after-free. A remote attacker could potentially execute arbitrary code inside the browser sandbox.","severity":"high","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["browser","chrome","desktop","other"],"not_affected_if":["chrome-155-or-later-patched"],"how_to_check":"- Check the installed Chrome version in Chrome's About page or with `google-chrome --version` on Linux.\n- Compare the result against `156.0.8078.79`.","fix":"- Google Chrome: move to `156.0.8078.79` or later.","status":"open","published_at":"2026-10-30T01:16:45+00:00","first_seen_at":"2026-10-30T01:27:58+00:00","triaged_at":"2026-10-30T01:29:54+00:00","updated_at":"2026-10-30T01:29:54+00:00","category":"other","confidence":0.7,"triage":{"at":"2026-10-30T01:29:54Z","model":"claude-haiku-5-5","output":{"fix":"- Google Chrome: move to `156.0.8078.79` or later.","reach":"internet","title":"Google Chrome: use-after-free in Quota lets a web page run code","impact":"high","summary":"A memory-handling bug in the Quota component of Google Chrome, before 156.0.8078.79, lets a crafted HTML page trigger a use-after-free. A remote attacker could potentially execute arbitrary code inside the browser sandbox.","audience":"everyone","category":"other","nicknames":[],"who_cares":["chrome","browser","desktop"],"confidence":0.7,"fix_status":"available","needs_auth":"no","worst_case":"Attacker code runs inside the browser sandbox after a visit to a crafted page.","analyst_note":"","how_to_check":"- Check the installed Chrome version in Chrome's About page or with `google-chrome --version` on Linux.\n- Compare the result against `156.0.8078.79`.","plain_action":"Update Google Chrome to version 156.0.8078.79 or later: Chrome menu > Help > About Google Chrome.","needs_analyst":false,"not_affected_if":["chrome-155-or-later-patched"],"who_is_affected":"Anyone running Google Chrome older than 156.0.8078.79 who visits a web page an attacker can control. Exposure is through normal browsing, so no account or special setting is needed. Chromium-based browsers that pull from the same code may also be affected, but the sources do not say.","user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000681,"input_tokens":4101,"output_tokens":541,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-119266':17A,20A '-2026':16A,19A '156.0.8078.79':37B,71C 'allow':72C 'arbitrari':55B,79C 'attack':51B,75C 'browser':21B,59B 'bug':28B 'chrome':2A,22B,35B,68C 'chromium':89C 'code':14A,56B,80C 'compon':32B 'could':52B 'craft':40B,86C 'cve':15A,18A 'desktop':23B 'execut':54B,78C 'free':6A,48B,63C 'googl':1A,34B,67C 'handl':27B 'high':92C 'html':41B,87C 'insid':57B,81C 'let':9A,38B 'memori':26B 'memory-handl':25B 'page':12A,42B,88C 'potenti':53B,77C 'prior':69C 'quota':8A,31B,65C 'remot':50B,74C 'run':13A 'sandbox':60B,83C 'secur':90C 'sever':91C 'trigger':43B 'use':4A,46B,61C 'use-after-fre':3A,45B 'via':84C 'web':11A","nicknames":[],"mitigations":[],"who_affected":"Anyone running Google Chrome older than 156.0.8078.79 who visits a web page an attacker can control. Exposure is through normal browsing, so no account or special setting is needed. Chromium-based browsers that pull from the same code may also be affected, but the sources do not say.","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: Chrome menu > Help > About Google Chrome.","first_public_at":"2026-10-30T01:16:45+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-119266","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-119266","severity":null,"published_at":"2026-10-30T01:16:45+00:00","modified_at":"2026-10-30T01:16:45+00:00","first_seen_at":"2026-10-30T01:27:58+00:00","fetched_at":"2026-10-30T01:27:58+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"}