{"id":"CVE-2026-121118","kind":"vulnerability","aliases":["CVE-2026-121118"],"related":[],"title":"Chrome: SVG use-after-free lets a crafted web page run code","description":"Use after free in SVG in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)","summary":"A use-after-free in Chrome's SVG handling lets a remote attacker run arbitrary code inside the browser sandbox when a user opens a crafted HTML page. Chromium rates the flaw High severity.","severity":"high","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["browser","chrome","desktop","runtime"],"not_affected_if":["chrome-at-or-above-157.0.8103.38"],"how_to_check":"- Check the installed Chrome version in Chrome's About page or with `google-chrome --version`\n- Compare it against the fixed release listed in the sources","fix":"- Google Chrome: update to `157.0.8103.38` or later","status":"open","published_at":"2026-11-03T21:17:19+00:00","first_seen_at":"2026-11-03T21:19:18+00:00","triaged_at":"2026-11-03T21:25:00+00:00","updated_at":"2026-11-03T21:25:00+00:00","category":"runtime","confidence":0.7,"triage":{"at":"2026-11-03T21:25:00Z","model":"claude-haiku-5-5","output":{"fix":"- Google Chrome: update to `157.0.8103.38` or later","reach":"internet","title":"Chrome: SVG use-after-free lets a crafted web page run code","impact":"high","summary":"A use-after-free in Chrome's SVG handling lets a remote attacker run arbitrary code inside the browser sandbox when a user opens a crafted HTML page. Chromium rates the flaw High severity.","audience":"everyone","category":"runtime","nicknames":[],"who_cares":["chrome","browser","desktop"],"confidence":0.7,"fix_status":"available","needs_auth":"no","worst_case":"Code runs inside the browser sandbox after a user visits a page","analyst_note":"","how_to_check":"- Check the installed Chrome version in Chrome's About page or with `google-chrome --version`\n- Compare it against the fixed release listed in the sources","plain_action":"Update Google Chrome to version 157.0.8103.38 or later.","needs_analyst":false,"not_affected_if":["chrome-at-or-above-157.0.8103.38"],"who_is_affected":"Anyone running Google Chrome before 157.0.8103.38 who visits a page an attacker can supply, including through a link or an embedded frame. The sources do not say whether other Chromium-based browsers are covered. The flaw is exploited by a page, so teams should treat staff browsers and kiosks as in scope.","user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000669,"input_tokens":4101,"output_tokens":518,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-121118':16A,19A '-2026':15A,18A '157.0.8103.38':69C 'allow':70C 'arbitrari':39B,76C 'attack':37B,73C 'browser':20B,43B 'chrome':1A,21B,30B,66C 'chromium':53B,86C 'code':13A,40B,77C 'craft':9A,50B,83C 'cve':14A,17A 'desktop':22B 'execut':75C 'flaw':56B 'free':6A,28B,61C 'googl':65C 'handl':33B 'high':57B,89C 'html':51B,84C 'insid':41B,78C 'let':7A,34B 'open':48B 'page':11A,52B,85C 'prior':67C 'rate':54B 'remot':36B,72C 'run':12A,38B 'runtim':23B 'sandbox':44B,80C 'secur':87C 'sever':58B,88C 'svg':2A,32B,63C 'use':4A,26B,59C 'use-after-fre':3A,25B 'user':47B 'via':81C 'web':10A","nicknames":[],"mitigations":[],"who_affected":"Anyone running Google Chrome before 157.0.8103.38 who visits a page an attacker can supply, including through a link or an embedded frame. The sources do not say whether other Chromium-based browsers are covered. The flaw is exploited by a page, so teams should treat staff browsers and kiosks as in scope.","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":["browser","chrome","desktop","high","runtime"],"campaign_type":null,"first_public_at":"2026-11-03T21:17:19+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-121118","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121118","severity":null,"published_at":"2026-11-03T21:17:19+00:00","modified_at":"2026-11-03T21:17:19+00:00","first_seen_at":"2026-11-03T21:19:18+00:00","fetched_at":"2026-11-03T21:19:18+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"}