{"id":"CVE-2026-126841","kind":"vulnerability","aliases":["CVE-2026-126841"],"related":[],"title":"Chrome: Skia out-of-bounds read lets compromised renderer read memory","description":"Out of bounds read in Skia in Google Chrome prior to 157.0.8103.78 allowed a remote attacker who had compromised the renderer process to read memory outside the sandbox via a crafted HTML page. (Chromium security severity: High)","summary":"A flaw in Skia, Chrome's graphics library, lets an attacker who already controls the renderer process read memory outside the sandbox via a crafted HTML page. The attacker gets memory outside the sandbox, which may expose sensitive data, but the sources do not describe code execution.","severity":"high","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["browser","chrome","desktop","managed-endpoints","runtime"],"not_affected_if":["chrome-already-updated"],"how_to_check":"- Check the Chrome version in the browser's About page; versions before `157.0.8103.78` are affected.\n- Check the Chrome version on managed machines with `google-chrome --version` (Linux) or the About page on Windows and macOS.","fix":"- Google Chrome: update to `157.0.8103.78` or later.","status":"open","published_at":"2026-11-11T23:17:11+00:00","first_seen_at":"2026-11-11T23:29:35+00:00","triaged_at":"2026-11-11T23:33:51+00:00","updated_at":"2026-11-11T23:33:51+00:00","category":"runtime","confidence":0.7,"triage":{"at":"2026-11-11T23:33:51Z","model":"claude-haiku-5-5","output":{"fix":"- Google Chrome: update to `157.0.8103.78` or later.","reach":"internet","title":"Chrome: Skia out-of-bounds read lets compromised renderer read memory","impact":"medium","summary":"A flaw in Skia, Chrome's graphics library, lets an attacker who already controls the renderer process read memory outside the sandbox via a crafted HTML page. The attacker gets memory outside the sandbox, which may expose sensitive data, but the sources do not describe code execution.","audience":"everyone","category":"runtime","nicknames":[],"who_cares":["chrome","browser","desktop","managed-endpoints"],"confidence":0.7,"fix_status":"available","needs_auth":"no","worst_case":"Attacker reads memory outside the browser sandbox after a renderer compromise","analyst_note":"","how_to_check":"- Check the Chrome version in the browser's About page; versions before `157.0.8103.78` are affected.\n- Check the Chrome version on managed machines with `google-chrome --version` (Linux) or the About page on Windows and macOS.","plain_action":"Update Google Chrome to version 157.0.8103.78 or later: open the menu, choose Help, then About Google Chrome.","product_name":"","needs_analyst":false,"not_affected_if":["chrome-already-updated"],"who_is_affected":"Any Chrome install before 157.0.8103.78 is affected, including desktop browsers on every platform the browser runs on. Exploitation requires an attacker who has already compromised the renderer process, so a standard browser with no other compromise is less exposed, but a malicious page is the delivery path. Organisations with managed Chrome fleets should confirm all endpoints are on the fixed build.","user_interaction":"yes","product_ecosystem":"","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000772,"input_tokens":4537,"output_tokens":637,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-126841':15A,18A '-2026':14A,17A '157.0.8103.78':84C 'allow':85C 'alreadi':38B 'attack':36B,54B,88C 'bound':6A,75C 'browser':19B 'chrome':1A,20B,30B,81C 'chromium':106C 'code':71B 'compromis':9A,91C 'control':39B 'craft':50B,103C 'cve':13A,16A 'data':64B 'describ':70B 'desktop':21B 'endpoint':24B 'execut':72B 'expos':62B 'flaw':27B 'get':55B 'googl':80C 'graphic':32B 'high':109C 'html':51B,104C 'let':8A,34B 'librari':33B 'manag':23B 'managed-endpoint':22B 'may':61B 'memori':12A,44B,56B,97C 'out-of-bound':3A 'outsid':45B,57B,98C 'page':52B,105C 'prior':82C 'process':42B,94C 'read':7A,11A,43B,76C,96C 'remot':87C 'render':10A,41B,93C 'runtim':25B 'sandbox':47B,59B,100C 'secur':107C 'sensit':63B 'sever':108C 'skia':2A,29B,78C 'sourc':67B 'via':48B,101C","nicknames":[],"mitigations":[],"who_affected":"Any Chrome install before 157.0.8103.78 is affected, including desktop browsers on every platform the browser runs on. Exploitation requires an attacker who has already compromised the renderer process, so a standard browser with no other compromise is less exposed, but a malicious page is the delivery path. Organisations with managed Chrome fleets should confirm all endpoints are on the fixed build.","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: open the menu, choose Help, then About Google Chrome.","pkeys":[],"ptokens":[],"labels":["browser","chrome","desktop","high","managedendpoints","runtime"],"campaign_type":null,"search_a":"'-126841':15A,18A '-2026':14A,17A 'bound':6A 'chrome':1A 'compromis':9A 'cve':13A,16A 'let':8A 'memori':12A 'out-of-bound':3A 'read':7A,11A 'render':10A 'skia':2A","search_b":"'alreadi':38B 'attack':36B,54B 'browser':19B 'chrome':20B,30B 'code':71B 'control':39B 'craft':50B 'data':64B 'describ':70B 'desktop':21B 'endpoint':24B 'execut':72B 'expos':62B 'flaw':27B 'get':55B 'graphic':32B 'html':51B 'let':34B 'librari':33B 'manag':23B 'managed-endpoint':22B 'may':61B 'memori':44B,56B 'outsid':45B,57B 'page':52B 'process':42B 'read':43B 'render':41B 'runtim':25B 'sandbox':47B,59B 'sensit':63B 'skia':29B 'sourc':67B 'via':48B","search_c":"'157.0.8103.78':84C 'allow':85C 'attack':88C 'bound':75C 'chrome':81C 'chromium':106C 'compromis':91C 'craft':103C 'googl':80C 'high':109C 'html':104C 'memori':97C 'outsid':98C 'page':105C 'prior':82C 'process':94C 'read':76C,96C 'remot':87C 'render':93C 'sandbox':100C 'secur':107C 'sever':108C 'skia':78C 'via':101C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-11T23:17:11+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-126841","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-126841","severity":null,"published_at":"2026-11-11T23:17:11+00:00","modified_at":"2026-11-11T23:17:11+00:00","first_seen_at":"2026-11-11T23:29:35+00:00","fetched_at":"2026-11-11T23:29:35+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"}