{"id":"CVE-2026-113112","kind":"vulnerability","aliases":["CVE-2026-113112"],"related":[],"title":"Chrome: use-after-free in Extensions lets a crafted page run code","description":"Use after free in Extensions in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)","summary":"A memory bug in the Extensions component of Google Chrome before 156.0.8078.47 lets a remote attacker run arbitrary code inside the browser sandbox through a crafted HTML page. Chromium rates it Medium, while NVD scores it 8.8 high.","severity":"high","cvss":8.8,"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":["browsers","chrome","desktop","package","runtime"],"not_affected_if":["already-updated-browser"],"how_to_check":"Open chrome://settings/help or run the browser version check and compare against 156.0.8078.47.","fix":"Update Google Chrome to 156.0.8078.47 or later.","status":"open","published_at":"2026-10-20T22:19:03+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","triaged_at":"2026-10-23T22:37:15+00:00","updated_at":"2026-10-23T22:37:15+00:00","category":"package","confidence":0.7,"triage":{"at":"2026-10-23T22:37:15Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome to 156.0.8078.47 or later.","reach":"internet","title":"Chrome: use-after-free in Extensions lets a crafted page run code","impact":"high","summary":"A memory bug in the Extensions component of Google Chrome before 156.0.8078.47 lets a remote attacker run arbitrary code inside the browser sandbox through a crafted HTML page. Chromium rates it Medium, while NVD scores it 8.8 high.","category":"package","who_cares":["chrome","desktop","browsers"],"confidence":0.7,"needs_auth":"no","worst_case":"attacker runs code inside the browser sandbox after a visit","analyst_note":"","how_to_check":"Open chrome://settings/help or run the browser version check and compare against 156.0.8078.47.","needs_analyst":false,"not_affected_if":["already-updated-browser"],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000466,"input_tokens":2943,"output_tokens":343,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-113112':16A,19A '-2026':15A,18A '156.0.8078.47':38B,75C '8.8':63B 'allow':76C 'arbitrari':44B,82C 'attack':42B,79C 'browser':22B,48B 'bug':29B 'chrome':1A,21A,23B,36B,72C 'chromium':55B,92C 'code':13A,45B,83C 'compon':33B 'craft':10A,52B,89C 'cve':14A,17A 'desktop':24B 'execut':81C 'extens':7A,32B,69C 'free':5A,67C 'googl':35B,71C 'google':20A 'high':64B 'html':53B,90C 'insid':46B,84C 'let':8A,39B 'medium':58B,95C 'memori':28B 'nvd':60B 'packag':25B 'page':11A,54B,91C 'prior':73C 'rate':56B 'remot':41B,78C 'run':12A,43B 'runtim':26B 'sandbox':49B,86C 'score':61B 'secur':93C 'sever':94C 'use':3A,65C 'use-after-fre':2A 'via':87C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:19:03+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cvss_by":"134c704f-9b21-4f2e-91b3-4a467353bcc0","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-113112","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113112","severity":null,"published_at":"2026-10-20T22:19:03+00:00","modified_at":"2026-10-22T15:32:45+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"}