{"id":"CVE-2026-113208","kind":"vulnerability","aliases":["CVE-2026-113208"],"related":[],"title":"Google Chrome: crafted web page runs code inside the browser sandbox","description":"Use after free in ContextualSearch 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 use-after-free bug in Chrome's ContextualSearch component lets a remote attacker run arbitrary code inside the sandbox when the victim opens a crafted HTML page. The sources do not say whether a sandbox escape is also possible.","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":["browser","chrome","desktop","other"],"not_affected_if":["chrome-already-updated"],"how_to_check":"Run chrome://version and confirm the version is at least 156.0.8078.47.","fix":"Update Google Chrome to 156.0.8078.47 or later.","status":"open","published_at":"2026-10-20T22:19:13+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","triaged_at":"2026-10-23T22:36:11+00:00","updated_at":"2026-10-23T22:36:11+00:00","category":"other","confidence":0.8,"triage":{"at":"2026-10-23T22:36:11Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome to 156.0.8078.47 or later.","reach":"internet","title":"Google Chrome: crafted web page runs code inside the browser sandbox","impact":"high","summary":"A use-after-free bug in Chrome's ContextualSearch component lets a remote attacker run arbitrary code inside the sandbox when the victim opens a crafted HTML page. The sources do not say whether a sandbox escape is also possible.","category":"other","who_cares":["chrome","desktop","browser"],"confidence":0.8,"needs_auth":"no","worst_case":"Attacker runs code inside the browser sandbox after the victim visits a page","analyst_note":"","how_to_check":"Run chrome://version and confirm the version is at least 156.0.8078.47.\nunknown\nunknown","needs_analyst":false,"not_affected_if":["chrome-already-updated"],"user_interaction":"yes","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000468,"input_tokens":2941,"output_tokens":347,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-113208':14A,17A '-2026':13A,16A '156.0.8078.47':74C 'allow':75C 'also':62B 'arbitrari':39B,81C 'attack':37B,78C 'browser':10A,20B 'bug':28B 'chrome':2A,19A,21B,30B,71C 'chromium':91C 'code':7A,40B,82C 'compon':33B 'contextualsearch':32B,68C 'craft':3A,49B,88C 'cve':12A,15A 'desktop':22B 'escap':60B 'execut':80C 'free':27B,66C 'googl':1A,70C 'google':18A 'html':50B,89C 'insid':8A,41B,83C 'let':34B 'medium':94C 'open':47B 'page':5A,51B,90C 'possibl':63B 'prior':72C 'remot':36B,77C 'run':6A,38B 'sandbox':11A,43B,59B,85C 'say':56B 'secur':92C 'sever':93C 'sourc':53B 'use':25B,64C 'use-after-fre':24B 'via':86C 'victim':46B 'web':4A 'whether':57B","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:19:13+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-2026-113208","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113208","severity":null,"published_at":"2026-10-20T22:19:13+00:00","modified_at":"2026-10-22T14:06:49+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"}