{"id":"CVE-2026-113307","kind":"vulnerability","aliases":["CVE-2026-113307"],"related":[],"title":"Google Chrome: extension memory corruption lets a web page run code","description":"Memory corruption 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 corruption bug in Chrome's Extensions component lets a remote attacker run arbitrary code inside the browser sandbox through a crafted HTML page. The sources rate it high (CVSS 8.8) and Chromium rates it medium.","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","linux","macos","other","runtime","windows"],"not_affected_if":["already-on-156.0.8078.47-or-later"],"how_to_check":"Run chrome://version and compare the version to 156.0.8078.47.","fix":"Update Google Chrome to 156.0.8078.47 or later.","status":"open","published_at":"2026-10-20T22:19:24+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","triaged_at":"2026-10-23T22:35:11+00:00","updated_at":"2026-10-23T22:35:11+00:00","category":"other","confidence":0.8,"triage":{"at":"2026-10-23T22:35:11Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome to 156.0.8078.47 or later.","reach":"internet","title":"Google Chrome: extension memory corruption lets a web page run code","impact":"high","summary":"A memory corruption bug in Chrome's Extensions component lets a remote attacker run arbitrary code inside the browser sandbox through a crafted HTML page. The sources rate it high (CVSS 8.8) and Chromium rates it medium.","category":"other","who_cares":["chrome","windows","macos","linux"],"confidence":0.8,"needs_auth":"no","worst_case":"Attacker runs arbitrary code inside the Chrome sandbox via a web page","analyst_note":"","how_to_check":"Run chrome://version and compare the version to 156.0.8078.47.","needs_analyst":false,"not_affected_if":["already-on-156.0.8078.47-or-later"],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"unknown"},"cost_usd":0.000467,"input_tokens":2946,"output_tokens":344,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-113307':14A,17A '-2026':13A,16A '156.0.8078.47':73C '8.8':58B 'allow':74C 'arbitrari':41B,80C 'attack':39B,77C 'browser':20B,45B 'bug':30B 'chrome':2A,19A,21B,32B,70C 'chromium':60B,90C 'code':11A,42B,81C 'compon':35B 'corrupt':5A,29B,65C 'craft':49B,87C 'cve':12A,15A 'cvss':57B 'execut':79C 'extens':3A,34B,67C 'googl':1A,69C 'google':18A 'high':56B 'html':50B,88C 'insid':43B,82C 'let':6A,36B 'linux':22B 'maco':23B 'medium':63B,93C 'memori':4A,28B,64C 'page':9A,51B,89C 'prior':71C 'rate':54B,61B 'remot':38B,76C 'run':10A,40B 'runtim':25B 'sandbox':46B,84C 'secur':91C 'sever':92C 'sourc':53B 'via':85C 'web':8A 'window':26B","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:19:24+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-2026-113307","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113307","severity":null,"published_at":"2026-10-20T22:19:24+00:00","modified_at":"2026-10-21T17:05:52+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"}