{"id":"CVE-2026-126918","kind":"vulnerability","aliases":["CVE-2026-126918"],"related":[],"title":"Chrome: use-after-free in Layout lets a crafted web page run code","description":"Use after free in Layout 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 the Layout component of Google Chrome before 157.0.8103.78 lets a remote attacker run arbitrary code inside the browser sandbox via a crafted HTML page. The source rates it High severity in Chromium.","severity":"high","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["browser","chrome","linux","macos","other","windows"],"not_affected_if":["already-updated-chrome"],"how_to_check":"- Open Chrome and check the version under Settings > About Chrome, or run `chrome://version`\n- Flag any install below `157.0.8103.78`","fix":"- Google Chrome: `157.0.8103.78`","status":"open","published_at":"2026-11-11T23:17:22+00:00","first_seen_at":"2026-11-11T23:29:41+00:00","triaged_at":"2026-11-11T23:31:28+00:00","updated_at":"2026-11-11T23:31:28+00:00","category":"other","confidence":0.7,"triage":{"at":"2026-11-11T23:31:28Z","model":"claude-haiku-5-5","output":{"fix":"- Google Chrome: `157.0.8103.78`","reach":"internet","title":"Chrome: use-after-free in Layout lets a crafted web page run code","impact":"high","summary":"A use-after-free bug in the Layout component of Google Chrome before 157.0.8103.78 lets a remote attacker run arbitrary code inside the browser sandbox via a crafted HTML page. The source rates it High severity in Chromium.","audience":"everyone","category":"other","nicknames":[],"who_cares":["chrome","browser","windows","macos","linux"],"confidence":0.7,"fix_status":"available","needs_auth":"no","worst_case":"Attacker runs code inside the browser sandbox after a victim visits a page","analyst_note":"","how_to_check":"- Open Chrome and check the version under Settings > About Chrome, or run `chrome://version`\n- Flag any install below `157.0.8103.78`","plain_action":"Update Google Chrome to version 157.0.8103.78 or later through its built-in update check.","product_name":"","needs_analyst":false,"not_affected_if":["already-updated-chrome"],"who_is_affected":"Any desktop install of Google Chrome older than 157.0.8103.78 is exposed when a user opens a malicious web page. Browsers managed by a company update policy should be checked against the fixed version. Chromium-based browsers that pull from a different build may have separate timing and are not covered by this source.","user_interaction":"yes","product_ecosystem":"","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000723,"input_tokens":4529,"output_tokens":540,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-126918':17A,20A '-2026':16A,19A '157.0.8103.78':41B,76C 'allow':77C 'arbitrari':47B,83C 'attack':45B,80C 'browser':21B,51B 'bug':32B 'chrome':1A,22B,39B,73C 'chromium':65B,93C 'code':14A,48B,84C 'compon':36B 'craft':10A,55B,90C 'cve':15A,18A 'execut':82C 'free':5A,31B,68C 'googl':38B,72C 'high':62B,96C 'html':56B,91C 'insid':49B,85C 'layout':7A,35B,70C 'let':8A,42B 'linux':23B 'maco':24B 'page':12A,57B,92C 'prior':74C 'rate':60B 'remot':44B,79C 'run':13A,46B 'sandbox':52B,87C 'secur':94C 'sever':63B,95C 'sourc':59B 'use':3A,29B,66C 'use-after-fre':2A,28B 'via':53B,88C 'web':11A 'window':26B","nicknames":[],"mitigations":[],"who_affected":"Any desktop install of Google Chrome older than 157.0.8103.78 is exposed when a user opens a malicious web page. Browsers managed by a company update policy should be checked against the fixed version. Chromium-based browsers that pull from a different build may have separate timing and are not covered by this source.","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 through its built-in update check.","pkeys":[],"ptokens":[],"labels":["browser","chrome","high","linux","macos","other","windows"],"campaign_type":null,"search_a":"'-126918':17A,20A '-2026':16A,19A 'chrome':1A 'code':14A 'craft':10A 'cve':15A,18A 'free':5A 'layout':7A 'let':8A 'page':12A 'run':13A 'use':3A 'use-after-fre':2A 'web':11A","search_b":"'157.0.8103.78':41B 'arbitrari':47B 'attack':45B 'browser':21B,51B 'bug':32B 'chrome':22B,39B 'chromium':65B 'code':48B 'compon':36B 'craft':55B 'free':31B 'googl':38B 'high':62B 'html':56B 'insid':49B 'layout':35B 'let':42B 'linux':23B 'maco':24B 'page':57B 'rate':60B 'remot':44B 'run':46B 'sandbox':52B 'sever':63B 'sourc':59B 'use':29B 'use-after-fre':28B 'via':53B 'window':26B","search_c":"'157.0.8103.78':76C 'allow':77C 'arbitrari':83C 'attack':80C 'chrome':73C 'chromium':93C 'code':84C 'craft':90C 'execut':82C 'free':68C 'googl':72C 'high':96C 'html':91C 'insid':85C 'layout':70C 'page':92C 'prior':74C 'remot':79C 'sandbox':87C 'secur':94C 'sever':95C 'use':66C 'via':88C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-11T23:17:22+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-126918","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-126918","severity":null,"published_at":"2026-11-11T23:17:22+00:00","modified_at":"2026-11-11T23:17:22+00:00","first_seen_at":"2026-11-11T23:29:41+00:00","fetched_at":"2026-11-11T23:29:41+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"}