{"id":"CVE-2026-126857","kind":"vulnerability","aliases":["CVE-2026-126857"],"related":[],"title":"Chrome: Skia out-of-bounds read leaks cross-origin data via crafted page","description":"Out of bounds read in Skia in Google Chrome prior to 157.0.8103.78 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. (Chromium security severity: High)","summary":"A out-of-bounds read in Skia, the graphics library inside Google Chrome, lets a crafted HTML page obtain data from other websites. Chromium rates it High severity.","severity":"high","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["browser","chrome","end-users","other"],"not_affected_if":["chrome-158-or-later","no-untrusted-browsing"],"how_to_check":"- Open Chrome's About page (`chrome://settings/help`) and read the version number\n- Confirm the version is at least `157.0.8103.78`","fix":"- Google Chrome: move 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":"2026-11-11T23:33:33+00:00","updated_at":"2026-11-11T23:33:33+00:00","category":"other","confidence":0.6,"triage":{"at":"2026-11-11T23:33:33Z","model":"claude-haiku-5-5","output":{"fix":"- Google Chrome: move to `157.0.8103.78` or later","reach":"internet","title":"Chrome: Skia out-of-bounds read leaks cross-origin data via crafted page","impact":"medium","summary":"A out-of-bounds read in Skia, the graphics library inside Google Chrome, lets a crafted HTML page obtain data from other websites. Chromium rates it High severity.","audience":"everyone","category":"other","nicknames":[],"who_cares":["chrome","browser","end-users"],"confidence":0.6,"fix_status":"available","needs_auth":"no","worst_case":"Attacker reads data from other sites visited in the browser","analyst_note":"","how_to_check":"- Open Chrome's About page (`chrome://settings/help`) and read the version number\n- Confirm the version is at least `157.0.8103.78`","plain_action":"Update Google Chrome to version 157.0.8103.78 or later and restart the browser.","product_name":"","needs_analyst":false,"not_affected_if":["chrome-158-or-later","no-untrusted-browsing"],"who_is_affected":"Anyone running Google Chrome older than 157.0.8103.78 who visits a page an attacker controls. The flaw needs no account and no special setting, but a user has to load the crafted page. Chromium-based browsers that pull in the same Skia code may also be affected, and the sources do not say which ones.","user_interaction":"yes","product_ecosystem":"","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000709,"input_tokens":4529,"output_tokens":513,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-126857':18A,21A '-2026':17A,20A '157.0.8103.78':67C 'allow':68C 'attack':71C 'bound':6A,31B,58C 'browser':22B 'chrome':1A,23B,40B,64C 'chromium':51B,83C 'craft':14A,43B,80C 'cross':10A,75C 'cross-origin':9A,74C 'cve':16A,19A 'data':12A,47B,77C 'end':25B 'end-us':24B 'googl':39B,63C 'graphic':36B 'high':54B,86C 'html':44B,81C 'insid':38B 'leak':8A 'let':41B 'librari':37B 'obtain':46B,73C 'origin':11A,76C 'out-of-bound':3A,28B 'page':15A,45B,82C 'prior':65C 'rate':52B 'read':7A,32B,59C 'remot':70C 'secur':84C 'sever':55B,85C 'skia':2A,34B,61C 'user':26B 'via':13A,78C 'websit':50B","nicknames":[],"mitigations":[],"who_affected":"Anyone running Google Chrome older than 157.0.8103.78 who visits a page an attacker controls. The flaw needs no account and no special setting, but a user has to load the crafted page. Chromium-based browsers that pull in the same Skia code may also be affected, and the sources do not say which ones.","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 and restart the browser.","pkeys":[],"ptokens":[],"labels":["browser","chrome","endusers","high","other"],"campaign_type":null,"search_a":"'-126857':18A,21A '-2026':17A,20A 'bound':6A 'chrome':1A 'craft':14A 'cross':10A 'cross-origin':9A 'cve':16A,19A 'data':12A 'leak':8A 'origin':11A 'out-of-bound':3A 'page':15A 'read':7A 'skia':2A 'via':13A","search_b":"'bound':31B 'browser':22B 'chrome':23B,40B 'chromium':51B 'craft':43B 'data':47B 'end':25B 'end-us':24B 'googl':39B 'graphic':36B 'high':54B 'html':44B 'insid':38B 'let':41B 'librari':37B 'obtain':46B 'out-of-bound':28B 'page':45B 'rate':52B 'read':32B 'sever':55B 'skia':34B 'user':26B 'websit':50B","search_c":"'157.0.8103.78':67C 'allow':68C 'attack':71C 'bound':58C 'chrome':64C 'chromium':83C 'craft':80C 'cross':75C 'cross-origin':74C 'data':77C 'googl':63C 'high':86C 'html':81C 'obtain':73C 'origin':76C 'page':82C 'prior':65C 'read':59C 'remot':70C 'secur':84C 'sever':85C 'skia':61C 'via':78C","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-2026-126857","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-126857","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"}