{"id":"CVE-2026-126851","kind":"vulnerability","aliases":["CVE-2026-126851"],"related":[],"title":"Google Chrome: accessibility use-after-free lets a crafted web page run code","description":"Use after free in Accessibility in Google Chrome prior to 157.0.8103.78 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)","summary":"A use-after-free bug in Chrome's Accessibility component lets a remote attacker execute code inside the browser sandbox when the victim opens a crafted HTML page. Chromium rates it High severity.","severity":"high","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["chrome","desktop-browsers","linux","macos","other","windows"],"not_affected_if":["accessibility-disabled","chrome-up-to-date"],"how_to_check":"- Open Chrome and check the version under Settings > About Chrome; the version should be `157.0.8103.78` or later.\n- Run `chrome://version` to see the installed build number.","fix":"- Google Chrome: update to `157.0.8103.78` or later.","status":"open","published_at":"2026-11-11T23:17:13+00:00","first_seen_at":"2026-11-11T23:29:36+00:00","triaged_at":"2026-11-11T23:33:39+00:00","updated_at":"2026-11-11T23:33:39+00:00","category":"other","confidence":0.7,"triage":{"at":"2026-11-11T23:33:39Z","model":"claude-haiku-5-5","output":{"fix":"- Google Chrome: update to `157.0.8103.78` or later.","reach":"internet","title":"Google Chrome: accessibility use-after-free lets a crafted web page run code","impact":"medium","summary":"A use-after-free bug in Chrome's Accessibility component lets a remote attacker execute code inside the browser sandbox when the victim opens a crafted HTML page. Chromium rates it High severity.","audience":"everyone","category":"other","nicknames":[],"who_cares":["chrome","desktop-browsers","windows","macos","linux"],"confidence":0.7,"fix_status":"available","needs_auth":"no","worst_case":"code runs inside the browser sandbox after visiting a page","analyst_note":"","how_to_check":"- Open Chrome and check the version under Settings > About Chrome; the version should be `157.0.8103.78` or later.\n- Run `chrome://version` to see the installed build number.","plain_action":"Update Google Chrome to version 157.0.8103.78 or later: Settings > About Chrome.","product_name":"","needs_analyst":false,"not_affected_if":["chrome-up-to-date","accessibility-disabled"],"who_is_affected":"Anyone running Google Chrome before 157.0.8103.78 who visits a malicious or compromised web page is exposed. Chromium-based browsers that pull in the same Accessibility code may be affected depending on their own release timing; the sources do not say. Users on the current Chrome release line are not affected.","user_interaction":"yes","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000732,"input_tokens":4527,"output_tokens":559,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-126851':17A,20A '-2026':16A,19A '157.0.8103.78':73C 'access':3A,38B,67C 'allow':74C 'arbitrari':80C 'attack':43B,77C 'browser':24B,48B 'bug':34B 'chrome':2A,21B,36B,70C 'chromium':58B,90C 'code':14A,45B,81C 'compon':39B 'craft':10A,55B,87C 'cve':15A,18A 'desktop':23B 'desktop-brows':22B 'execut':44B,79C 'free':7A,33B,65C 'googl':1A,69C 'high':61B,93C 'html':56B,88C 'insid':46B,82C 'let':8A,40B 'linux':25B 'maco':26B 'open':53B 'page':12A,57B,89C 'prior':71C 'rate':59B 'remot':42B,76C 'run':13A 'sandbox':49B,84C 'secur':91C 'sever':62B,92C 'use':5A,31B,63C 'use-after-fre':4A,30B 'via':85C 'victim':52B 'web':11A 'window':28B","nicknames":[],"mitigations":[],"who_affected":"Anyone running Google Chrome before 157.0.8103.78 who visits a malicious or compromised web page is exposed. Chromium-based browsers that pull in the same Accessibility code may be affected depending on their own release timing; the sources do not say. Users on the current Chrome release line are not affected.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"everyone","plain_action":"Update Google Chrome to version 157.0.8103.78 or later: Settings > About Chrome.","pkeys":[],"ptokens":[],"labels":["chrome","desktopbrowsers","high","linux","macos","other","windows"],"campaign_type":null,"search_a":"'-126851':17A,20A '-2026':16A,19A 'access':3A 'chrome':2A 'code':14A 'craft':10A 'cve':15A,18A 'free':7A 'googl':1A 'let':8A 'page':12A 'run':13A 'use':5A 'use-after-fre':4A 'web':11A","search_b":"'access':38B 'attack':43B 'browser':24B,48B 'bug':34B 'chrome':21B,36B 'chromium':58B 'code':45B 'compon':39B 'craft':55B 'desktop':23B 'desktop-brows':22B 'execut':44B 'free':33B 'high':61B 'html':56B 'insid':46B 'let':40B 'linux':25B 'maco':26B 'open':53B 'page':57B 'rate':59B 'remot':42B 'sandbox':49B 'sever':62B 'use':31B 'use-after-fre':30B 'victim':52B 'window':28B","search_c":"'157.0.8103.78':73C 'access':67C 'allow':74C 'arbitrari':80C 'attack':77C 'chrome':70C 'chromium':90C 'code':81C 'craft':87C 'execut':79C 'free':65C 'googl':69C 'high':93C 'html':88C 'insid':82C 'page':89C 'prior':71C 'remot':76C 'sandbox':84C 'secur':91C 'sever':92C 'use':63C 'via':85C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-11T23:17:13+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-126851","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-126851","severity":null,"published_at":"2026-11-11T23:17:13+00:00","modified_at":"2026-11-11T23:17:13+00:00","first_seen_at":"2026-11-11T23:29:36+00:00","fetched_at":"2026-11-11T23:29:36+00:00","note":null}],"documents":[],"disclosures":[],"exploit_sources":[],"notice":"Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai"}