{"id":"CVE-2026-113171","kind":"vulnerability","aliases":["CVE-2026-113171"],"related":[],"title":"Chrome for Android: memory flaw in Prompts lets remote code run","description":"Memory corruption in Prompts in Google Chrome on on Android prior to 156.0.8078.47 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)","summary":"Chrome on Android before 156.0.8078.47 has a memory corruption bug in its Prompts component. A remote attacker who lures a user to a crafted HTML page can potentially run arbitrary code outside the browser sandbox.","severity":"critical","cvss":9.6,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"google chrome","fixed":["156.0.8078.47"],"affected":"< 156.0.8078.47","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["android","chrome","mobile-users","other"],"not_affected_if":["already-on-156.0.8078.47-or-later"],"how_to_check":"Open chrome://version in Chrome on the Android device and compare the version with 156.0.8078.47.","fix":"Update Chrome for Android to 156.0.8078.47 or later.","status":"open","published_at":"2026-10-20T22:19:09+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","triaged_at":"2026-10-23T22:36:37+00:00","updated_at":"2026-10-23T22:36:37+00:00","category":"other","confidence":0.8,"triage":{"at":"2026-10-23T22:36:37Z","model":"claude-haiku-5-5","output":{"fix":"Update Chrome for Android to 156.0.8078.47 or later.\nunknown","reach":"internet","title":"Chrome for Android: memory flaw in Prompts lets remote code run","impact":"high","summary":"Chrome on Android before 156.0.8078.47 has a memory corruption bug in its Prompts component. A remote attacker who lures a user to a crafted HTML page can potentially run arbitrary code outside the browser sandbox.","category":"other","who_cares":["android","chrome","mobile-users"],"confidence":0.8,"needs_auth":"no","worst_case":"Attacker runs code outside the browser sandbox on the device","analyst_note":"NVD rates it critical (CVSS 9.6) but the Chromium security severity is Medium; check the Chrome for Android release notes for 156.0.8078.47 to confirm which is right.","how_to_check":"Open chrome://version in Chrome on the Android device and compare the version with 156.0.8078.47.\nunknown\nunknown","needs_analyst":true,"not_affected_if":["already-on-156.0.8078.47-or-later"],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000923,"input_tokens":2944,"output_tokens":1257,"severity_before":"critical"},"analyst_status":null,"analyst_note":null,"search":"'-113171':14A,17A '-2026':13A,16A '156.0.8078.47':29B,72C 'allow':73C 'android':3A,20B,27B,69C 'arbitrari':54B,80C 'attack':41B,76C 'browser':58B 'bug':34B 'chrome':1A,19A,21B,25B,66C 'chromium':90C 'code':10A,55B,81C 'compon':38B 'corrupt':33B,61C 'craft':48B,87C 'cve':12A,15A 'execut':79C 'flaw':5A 'googl':65C 'google':18A 'html':49B,88C 'let':8A 'lure':43B 'medium':93C 'memori':4A,32B,60C 'mobil':23B 'mobile-us':22B 'outsid':56B,82C 'page':50B,89C 'potenti':52B,78C 'prior':70C 'prompt':7A,37B,63C 'remot':9A,40B,75C 'run':11A,53B 'sandbox':59B,84C 'secur':91C 'sever':92C 'user':24B,45B 'via':85C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:19:09+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","cvss_by":"134c704f-9b21-4f2e-91b3-4a467353bcc0","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-113171","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113171","severity":null,"published_at":"2026-10-20T22:19:09+00:00","modified_at":"2026-10-22T23:18:27+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","fetched_at":"2026-10-23T22:28:59+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"}