{"id":"CVE-2026-126853","kind":"vulnerability","aliases":["CVE-2026-126853"],"related":[],"title":"Chrome: uninitialized Skia memory lets a compromised renderer read outside the sandbox","description":"Uninitialized resource 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":"Google Chrome's Skia graphics library uses a resource it never initialized. A remote attacker who has already compromised the renderer process can read memory outside the sandbox by serving a crafted HTML page.","severity":"high","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["browsers","chrome","desktop","mobile","runtime"],"not_affected_if":["chrome-at-or-above-157.0.8103.78"],"how_to_check":"- Check the Chrome version in the browser's About page or with `chrome://version`; versions before `157.0.8103.78` are exposed.\n- On managed fleets, query the installed Chrome version through the device management console.","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":"runtime","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":"Chrome: uninitialized Skia memory lets a compromised renderer read outside the sandbox","impact":"medium","summary":"Google Chrome's Skia graphics library uses a resource it never initialized. A remote attacker who has already compromised the renderer process can read memory outside the sandbox by serving a crafted HTML page.","audience":"everyone","category":"runtime","nicknames":[],"who_cares":["chrome","browsers","desktop","mobile"],"confidence":0.7,"fix_status":"available","needs_auth":"no","worst_case":"Attacker reads browser process memory outside the renderer sandbox","analyst_note":"","how_to_check":"- Check the Chrome version in the browser's About page or with `chrome://version`; versions before `157.0.8103.78` are exposed.\n- On managed fleets, query the installed Chrome version through the device management console.","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-at-or-above-157.0.8103.78"],"who_is_affected":"Any desktop or mobile install of Google Chrome before 157.0.8103.78 is exposed when a user visits a malicious page. The attack needs a separate renderer compromise first, so it is a chained exploit rather than a standalone one. Chromium-based browsers that pull from the same Skia code may also need checking, but the sources only name Google Chrome.","user_interaction":"yes","product_ecosystem":"","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000747,"input_tokens":4538,"output_tokens":587,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-126853':15A,18A '-2026':14A,17A '157.0.8103.78':67C 'allow':68C 'alreadi':41B 'attack':38B,71C 'browser':19B 'chrome':1A,20B,25B,64C 'chromium':89C 'compromis':7A,42B,74C 'craft':55B,86C 'cve':13A,16A 'desktop':21B 'googl':24B,63C 'graphic':28B 'high':92C 'html':56B,87C 'initi':35B 'let':5A 'librari':29B 'memori':4A,48B,80C 'mobil':22B 'never':34B 'outsid':10A,49B,81C 'page':57B,88C 'prior':65C 'process':45B,77C 'read':9A,47B,79C 'remot':37B,70C 'render':8A,44B,76C 'resourc':32B,59C 'runtim':23B 'sandbox':12A,51B,83C 'secur':90C 'serv':53B 'sever':91C 'skia':3A,27B,61C 'uniniti':2A,58C 'use':30B 'via':84C","nicknames":[],"mitigations":[],"who_affected":"Any desktop or mobile install of Google Chrome before 157.0.8103.78 is exposed when a user visits a malicious page. The attack needs a separate renderer compromise first, so it is a chained exploit rather than a standalone one. Chromium-based browsers that pull from the same Skia code may also need checking, but the sources only name Google Chrome.","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":["browsers","chrome","desktop","high","mobile","runtime"],"campaign_type":null,"search_a":"'-126853':15A,18A '-2026':14A,17A 'chrome':1A 'compromis':7A 'cve':13A,16A 'let':5A 'memori':4A 'outsid':10A 'read':9A 'render':8A 'sandbox':12A 'skia':3A 'uniniti':2A","search_b":"'alreadi':41B 'attack':38B 'browser':19B 'chrome':20B,25B 'compromis':42B 'craft':55B 'desktop':21B 'googl':24B 'graphic':28B 'html':56B 'initi':35B 'librari':29B 'memori':48B 'mobil':22B 'never':34B 'outsid':49B 'page':57B 'process':45B 'read':47B 'remot':37B 'render':44B 'resourc':32B 'runtim':23B 'sandbox':51B 'serv':53B 'skia':27B 'use':30B","search_c":"'157.0.8103.78':67C 'allow':68C 'attack':71C 'chrome':64C 'chromium':89C 'compromis':74C 'craft':86C 'googl':63C 'high':92C 'html':87C 'memori':80C 'outsid':81C 'page':88C 'prior':65C 'process':77C 'read':79C 'remot':70C 'render':76C 'resourc':59C 'sandbox':83C 'secur':90C 'sever':91C 'skia':61C 'uniniti':58C 'via':84C","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-2026-126853","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-126853","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"}