{"id":"CVE-2026-126890","kind":"vulnerability","aliases":["CVE-2026-126890"],"related":[],"title":"Chrome: out-of-bounds read in Media lets a crafted page run code","description":"Out of bounds read in Media in Google Chrome prior to 157.0.8103.78 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)","summary":"An out-of-bounds read in Chrome's Media component, fixed in 157.0.8103.78, lets a remote attacker use a crafted HTML page to potentially execute code inside the browser sandbox. Chromium rates it High severity.","severity":"high","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["browser","chrome","linux","macos","runtime","windows"],"not_affected_if":["chrome-updated"],"how_to_check":"- Check the installed Chrome version in the browser's About page or with `chrome://version`, and compare it with `157.0.8103.78`.","fix":"- Google Chrome: move to `157.0.8103.78` or later.","status":"open","published_at":"2026-11-11T23:17:18+00:00","first_seen_at":"2026-11-11T23:29:39+00:00","triaged_at":"2026-11-11T23:32:01+00:00","updated_at":"2026-11-11T23:32:01+00:00","category":"runtime","confidence":0.7,"triage":{"at":"2026-11-11T23:32:01Z","model":"claude-haiku-5-5","output":{"fix":"- Google Chrome: move to `157.0.8103.78` or later.","reach":"internet","title":"Chrome: out-of-bounds read in Media lets a crafted page run code","impact":"high","summary":"An out-of-bounds read in Chrome's Media component, fixed in 157.0.8103.78, lets a remote attacker use a crafted HTML page to potentially execute code inside the browser sandbox. Chromium rates it High severity.","audience":"everyone","category":"runtime","nicknames":[],"who_cares":["chrome","browser","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":"- Check the installed Chrome version in the browser's About page or with `chrome://version`, and compare it with `157.0.8103.78`.","plain_action":"Update Google Chrome to version 157.0.8103.78 or later, then restart the browser.","product_name":"","needs_analyst":false,"not_affected_if":["chrome-updated"],"who_is_affected":"Anyone running Google Chrome older than 157.0.8103.78 who opens a crafted web page is exposed. The attack needs a visit to a malicious page and no account. Chrome on managed fleets should be checked against the version floor.","user_interaction":"yes","product_ecosystem":"","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000709,"input_tokens":4533,"output_tokens":512,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-126890':17A,20A '-2026':16A,19A '157.0.8103.78':40B,74C 'allow':75C 'arbitrari':82C 'attack':44B,78C 'bound':5A,31B,65C 'browser':21B,56B 'chrome':1A,22B,34B,71C 'chromium':58B,92C 'code':14A,53B,83C 'compon':37B 'craft':11A,47B,89C 'cve':15A,18A 'execut':52B,81C 'fix':38B 'googl':70C 'high':61B,95C 'html':48B,90C 'insid':54B,84C 'let':9A,41B 'linux':23B 'maco':24B 'media':8A,36B,68C 'out-of-bound':2A,28B 'page':12A,49B,91C 'potenti':51B,80C 'prior':72C 'rate':59B 'read':6A,32B,66C 'remot':43B,77C 'run':13A 'runtim':25B 'sandbox':57B,86C 'secur':93C 'sever':62B,94C 'use':45B 'via':87C 'window':26B","nicknames":[],"mitigations":[],"who_affected":"Anyone running Google Chrome older than 157.0.8103.78 who opens a crafted web page is exposed. The attack needs a visit to a malicious page and no account. Chrome on managed fleets should be checked against the version floor.","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, then restart the browser.","pkeys":[],"ptokens":[],"labels":["browser","chrome","high","linux","macos","runtime","windows"],"campaign_type":null,"search_a":"'-126890':17A,20A '-2026':16A,19A 'bound':5A 'chrome':1A 'code':14A 'craft':11A 'cve':15A,18A 'let':9A 'media':8A 'out-of-bound':2A 'page':12A 'read':6A 'run':13A","search_b":"'157.0.8103.78':40B 'attack':44B 'bound':31B 'browser':21B,56B 'chrome':22B,34B 'chromium':58B 'code':53B 'compon':37B 'craft':47B 'execut':52B 'fix':38B 'high':61B 'html':48B 'insid':54B 'let':41B 'linux':23B 'maco':24B 'media':36B 'out-of-bound':28B 'page':49B 'potenti':51B 'rate':59B 'read':32B 'remot':43B 'runtim':25B 'sandbox':57B 'sever':62B 'use':45B 'window':26B","search_c":"'157.0.8103.78':74C 'allow':75C 'arbitrari':82C 'attack':78C 'bound':65C 'chrome':71C 'chromium':92C 'code':83C 'craft':89C 'execut':81C 'googl':70C 'high':95C 'html':90C 'insid':84C 'media':68C 'page':91C 'potenti':80C 'prior':72C 'read':66C 'remot':77C 'sandbox':86C 'secur':93C 'sever':94C 'via':87C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-11T23:17:18+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-126890","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-126890","severity":null,"published_at":"2026-11-11T23:17:18+00:00","modified_at":"2026-11-11T23:17:18+00:00","first_seen_at":"2026-11-11T23:29:39+00:00","fetched_at":"2026-11-11T23:29:39+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"}