{"id":"CVE-2026-118329","kind":"vulnerability","aliases":["CVE-2026-118329"],"related":[],"title":"Chrome on Mac: ANGLE input validation flaw lets crafted pages run code","description":"Improper input validation in ANGLE in Google Chrome on on Mac prior to 156.0.8078.73 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)","summary":"Google Chrome on macOS before 156.0.8078.73 has an improper input validation bug in the ANGLE graphics layer. A remote attacker who gets a user to open a crafted HTML page can potentially execute arbitrary code inside the browser sandbox.","severity":"high","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["browsers","chrome","macos","vendor"],"not_affected_if":["non-macos","patched-chrome"],"how_to_check":"- Open Chrome and check the version under Settings > About Chrome, or run `google-chrome --version` on a managed machine\n- Check whether any installed Chrome on macOS reports a version below `156.0.8078.73`","fix":"- Update Google Chrome on macOS to `156.0.8078.73` or later\n- Relaunch the browser after the update so the fix takes effect","status":"open","published_at":"2026-10-27T23:17:01+00:00","first_seen_at":"2026-10-27T23:29:43+00:00","triaged_at":"2026-10-27T23:31:53+00:00","updated_at":"2026-10-27T23:31:53+00:00","category":"vendor","confidence":0.7,"triage":{"at":"2026-10-27T23:31:53Z","model":"claude-haiku-5-5","output":{"fix":"- Update Google Chrome on macOS to `156.0.8078.73` or later\n- Relaunch the browser after the update so the fix takes effect","reach":"internet","title":"Chrome on Mac: ANGLE input validation flaw lets crafted pages run code","impact":"high","summary":"Google Chrome on macOS before 156.0.8078.73 has an improper input validation bug in the ANGLE graphics layer. A remote attacker who gets a user to open a crafted HTML page can potentially execute arbitrary code inside the browser sandbox.","category":"vendor","nicknames":[],"who_cares":["chrome","macos","browsers"],"confidence":0.7,"needs_auth":"no","worst_case":"Code runs inside the browser sandbox after a user visits a page","analyst_note":"","how_to_check":"- Open Chrome and check the version under Settings > About Chrome, or run `google-chrome --version` on a managed machine\n- Check whether any installed Chrome on macOS reports a version below `156.0.8078.73`","needs_analyst":false,"not_affected_if":["patched-chrome","non-macos"],"who_is_affected":"Any macOS machine running Google Chrome older than `156.0.8078.73` is exposed when a user visits a malicious page. Managed fleets and developer workstations that browse untrusted sites are the main concern. Systems on other operating systems or with updated Chrome can skip it.","user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000593,"input_tokens":3306,"output_tokens":525,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-118329':15A,18A '-2026':14A,17A '156.0.8078.73':28B,75C 'allow':76C 'angl':4A,37B,66C 'arbitrari':56B,83C 'attack':42B,79C 'browser':19B,60B 'bug':34B 'chrome':1A,20B,24B,69C 'chromium':93C 'code':12A,57B,84C 'craft':9A,50B,90C 'cve':13A,16A 'execut':55B,82C 'flaw':7A 'get':44B 'googl':23B,68C 'graphic':38B 'high':96C 'html':51B,91C 'improp':31B,62C 'input':5A,32B,63C 'insid':58B,85C 'layer':39B 'let':8A 'mac':3A,72C 'maco':21B,26B 'open':48B 'page':10A,52B,92C 'potenti':54B,81C 'prior':73C 'remot':41B,78C 'run':11A 'sandbox':61B,87C 'secur':94C 'sever':95C 'user':46B 'valid':6A,33B,64C 'vendor':22B 'via':88C","nicknames":[],"mitigations":[],"who_affected":"Any macOS machine running Google Chrome older than `156.0.8078.73` is exposed when a user visits a malicious page. Managed fleets and developer workstations that browse untrusted sites are the main concern. Systems on other operating systems or with updated Chrome can skip it.","tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-27T23:17:01+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-118329","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-118329","severity":null,"published_at":"2026-10-27T23:17:01+00:00","modified_at":"2026-10-27T23:17:01+00:00","first_seen_at":"2026-10-27T23:29:43+00:00","fetched_at":"2026-10-27T23:29:43+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"}