{"id":"CVE-2026-121093","kind":"vulnerability","aliases":["CVE-2026-121093"],"related":[],"title":"Chrome: out-of-bounds read in Animation lets a web page read sandbox memory","description":"Out of bounds read in Animation in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to potentially read memory inside the sandbox via a crafted HTML page. (Chromium security severity: Low)","summary":"A flaw in the Animation code of Google Chrome before 157.0.8103.38 lets a remote attacker read memory inside the browser sandbox through a crafted HTML page. Google rates it Low severity in Chromium's own scale.","severity":"low","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["browser","chrome","desktop","managed-fleet","other"],"not_affected_if":["already-updated","chromium-not-chrome"],"how_to_check":"- Open Chrome and check the version under Settings > About Chrome; a version below `157.0.8103.38` is affected.\n- Run `google-chrome --version` on Linux or check the installed Chrome version on managed machines.","fix":"- Google Chrome: update to `157.0.8103.38` or later.","status":"open","published_at":"2026-11-03T21:17:15+00:00","first_seen_at":"2026-11-03T21:19:13+00:00","triaged_at":"2026-11-03T21:25:28+00:00","updated_at":"2026-11-03T21:25:28+00:00","category":"other","confidence":0.6,"triage":{"at":"2026-11-03T21:25:28Z","model":"claude-haiku-5-5","output":{"fix":"- Google Chrome: update to `157.0.8103.38` or later.","reach":"internet","title":"Chrome: out-of-bounds read in Animation lets a web page read sandbox memory","impact":"low","summary":"A flaw in the Animation code of Google Chrome before 157.0.8103.38 lets a remote attacker read memory inside the browser sandbox through a crafted HTML page. Google rates it Low severity in Chromium's own scale.","audience":"everyone","category":"other","nicknames":[],"who_cares":["chrome","browser","desktop","managed-fleet"],"confidence":0.6,"fix_status":"available","needs_auth":"no","worst_case":"Attacker reads sandboxed browser memory via a crafted page.","analyst_note":"","how_to_check":"- Open Chrome and check the version under Settings > About Chrome; a version below `157.0.8103.38` is affected.\n- Run `google-chrome --version` on Linux or check the installed Chrome version on managed machines.","plain_action":"Update Google Chrome to version 157.0.8103.38 or later: Chrome menu > Help > About Google Chrome.","needs_analyst":false,"not_affected_if":["already-updated","chromium-not-chrome"],"who_is_affected":"Any user running Google Chrome before 157.0.8103.38 who visits a site an attacker controls. Exposure comes from browsing untrusted pages, not from server configuration. Teams that run managed browsers should confirm fleet versions; anyone already on the fixed version can skip it.","user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"low"},"cost_usd":0.000694,"input_tokens":4101,"output_tokens":568,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-121093':18A,21A '-2026':17A,20A '157.0.8103.38':38B,75C 'allow':76C 'anim':8A,32B,69C 'attack':42B,79C 'bound':5A,66C 'browser':22B,47B 'chrome':1A,23B,36B,72C 'chromium':60B,92C 'code':33B 'craft':51B,89C 'cve':16A,19A 'desktop':24B 'flaw':29B 'fleet':27B 'googl':35B,54B,71C 'html':52B,90C 'insid':45B,84C 'let':9A,39B 'low':57B,95C 'manag':26B 'managed-fleet':25B 'memori':15A,44B,83C 'out-of-bound':2A 'page':12A,53B,91C 'potenti':81C 'prior':73C 'rate':55B 'read':6A,13A,43B,67C,82C 'remot':41B,78C 'sandbox':14A,48B,86C 'scale':63B 'secur':93C 'sever':58B,94C 'via':87C 'web':11A","nicknames":[],"mitigations":[],"who_affected":"Any user running Google Chrome before 157.0.8103.38 who visits a site an attacker controls. Exposure comes from browsing untrusted pages, not from server configuration. Teams that run managed browsers should confirm fleet versions; anyone already on the fixed version can skip it.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"everyone","plain_action":"Update Google Chrome to version 157.0.8103.38 or later: Chrome menu > Help > About Google Chrome.","pkeys":[],"ptokens":[],"labels":["browser","chrome","desktop","low","managedfleet","other"],"campaign_type":null,"first_public_at":"2026-11-03T21:17:15+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-121093","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121093","severity":null,"published_at":"2026-11-03T21:17:15+00:00","modified_at":"2026-11-03T21:17:15+00:00","first_seen_at":"2026-11-03T21:19:13+00:00","fetched_at":"2026-11-03T21:19:13+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"}