{"id":"CVE-2026-121227","kind":"vulnerability","aliases":["CVE-2026-121227"],"related":[],"title":"Chrome: Skia uninitialized memory lets a compromised renderer read memory","description":"Uninitialized resource in Skia in Google Chrome prior to 157.0.8103.38 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 reads uninitialized memory, so a remote attacker who already controls the renderer process can read memory outside the sandbox via a crafted HTML page. Chromium rates the flaw High severity.","severity":"high","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["browsers","chrome","endpoints","runtime"],"not_affected_if":["chrome-updated"],"how_to_check":"- Check the Chrome version in the browser's About page or with `google-chrome --version` on Linux.\n- Compare the installed version against `157.0.8103.38`.","fix":"- Google Chrome: `157.0.8103.38` or later","status":"open","published_at":"2026-11-03T21:17:32+00:00","first_seen_at":"2026-11-03T21:19:27+00:00","triaged_at":"2026-11-03T21:21:23+00:00","updated_at":"2026-11-03T21:21:23+00:00","category":"runtime","confidence":0.7,"triage":{"at":"2026-11-03T21:21:23Z","model":"claude-haiku-5-5","output":{"fix":"- Google Chrome: `157.0.8103.38` or later","reach":"internet","title":"Chrome: Skia uninitialized memory lets a compromised renderer read memory","impact":"medium","summary":"Google Chrome's Skia graphics library reads uninitialized memory, so a remote attacker who already controls the renderer process can read memory outside the sandbox via a crafted HTML page. Chromium rates the flaw High severity.","audience":"everyone","category":"runtime","nicknames":[],"who_cares":["chrome","browsers","endpoints"],"confidence":0.7,"fix_status":"available","needs_auth":"no","worst_case":"Attacker reads memory outside the browser sandbox after renderer compromise","analyst_note":"","how_to_check":"- Check the Chrome version in the browser's About page or with `google-chrome --version` on Linux.\n- Compare the installed version against `157.0.8103.38`.","plain_action":"Update Google Chrome to version 157.0.8103.38 or later.","needs_analyst":false,"not_affected_if":["chrome-updated"],"who_is_affected":"Any device running Google Chrome before 157.0.8103.38 is in scope. The attack requires a compromised renderer, so the risk is highest for users who browse untrusted HTML pages. Managed fleets running Chrome should confirm the version on every endpoint.","user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000666,"input_tokens":4110,"output_tokens":509,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-121227':13A,16A '-2026':12A,15A '157.0.8103.38':66C 'allow':67C 'alreadi':35B 'attack':33B,70C 'browser':17B 'chrome':1A,18B,22B,63C 'chromium':51B,88C 'compromis':7A,73C 'control':36B 'craft':48B,85C 'cve':11A,14A 'endpoint':19B 'flaw':54B 'googl':21B,62C 'graphic':25B 'high':55B,91C 'html':49B,86C 'let':5A 'librari':26B 'memori':4A,10A,29B,42B,79C 'outsid':43B,80C 'page':50B,87C 'prior':64C 'process':39B,76C 'rate':52B 'read':9A,27B,41B,78C 'remot':32B,69C 'render':8A,38B,75C 'resourc':58C 'runtim':20B 'sandbox':45B,82C 'secur':89C 'sever':56B,90C 'skia':2A,24B,60C 'uniniti':3A,28B,57C 'via':46B,83C","nicknames":[],"mitigations":[],"who_affected":"Any device running Google Chrome before 157.0.8103.38 is in scope. The attack requires a compromised renderer, so the risk is highest for users who browse untrusted HTML pages. Managed fleets running Chrome should confirm the version on every endpoint.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"everyone","plain_action":"Update Google Chrome to version 157.0.8103.38 or later.","pkeys":[],"ptokens":[],"labels":["browsers","chrome","endpoints","high","runtime"],"campaign_type":null,"first_public_at":"2026-11-03T21:17:32+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-121227","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121227","severity":null,"published_at":"2026-11-03T21:17:32+00:00","modified_at":"2026-11-03T21:17:32+00:00","first_seen_at":"2026-11-03T21:19:27+00:00","fetched_at":"2026-11-03T21:19:27+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}