{"id":"CVE-2026-118305","kind":"vulnerability","aliases":["CVE-2026-118305"],"related":[],"title":"Chrome: memory corruption in Turbolev lets a crafted page escape the sandbox","description":"Memory corruption in Turbolev in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)","summary":"A memory corruption bug in the Turbolev component of Google Chrome, before 156.0.8078.73, can be triggered by a crafted HTML page. An attacker who lures a user to that page may execute arbitrary code outside the browser sandbox.","severity":"high","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["browsers","chrome","desktop","endpoints","runtime"],"not_affected_if":["already-on-156.0.8078.73-or-later"],"how_to_check":"- Run `chrome://version` in Chrome and compare the version shown against `156.0.8078.73`.\n- On managed fleets, query the installed Chrome version with your endpoint management tool.","fix":"- Update Google Chrome to `156.0.8078.73` or later and restart the browser.","status":"open","published_at":"2026-10-27T23:16:58+00:00","first_seen_at":"2026-10-27T23:29:42+00:00","triaged_at":"2026-10-27T23:33:24+00:00","updated_at":"2026-10-27T23:33:24+00:00","category":"runtime","confidence":0.7,"triage":{"at":"2026-10-27T23:33:24Z","model":"claude-haiku-5-5","output":{"fix":"- Update Google Chrome to `156.0.8078.73` or later and restart the browser.","reach":"internet","title":"Chrome: memory corruption in Turbolev lets a crafted page escape the sandbox","impact":"high","summary":"A memory corruption bug in the Turbolev component of Google Chrome, before 156.0.8078.73, can be triggered by a crafted HTML page. An attacker who lures a user to that page may execute arbitrary code outside the browser sandbox.","category":"runtime","nicknames":[],"who_cares":["chrome","browsers","endpoints","desktop"],"confidence":0.7,"needs_auth":"no","worst_case":"Attacker runs arbitrary code outside the browser sandbox on the user's device.","analyst_note":"Check the Chromium release notes for the Turbolev component and whether the bug is exploited in the wild; NVD gives no further detail.","how_to_check":"- Run `chrome://version` in Chrome and compare the version shown against `156.0.8078.73`.\n- On managed fleets, query the installed Chrome version with your endpoint management tool.","needs_analyst":true,"not_affected_if":["already-on-156.0.8078.73-or-later"],"who_is_affected":"Anyone running Google Chrome before 156.0.8078.73 on a desktop device is exposed, since the flaw is reached by simply loading a crafted web page. Teams that manage browsers centrally should check their fleet, while devices already on the fixed release or running a different browser engine are not affected by this entry.","user_interaction":"yes","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000612,"input_tokens":3299,"output_tokens":565,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-118305':15A,18A '-2026':14A,17A '156.0.8078.73':36B,71C 'allow':72C 'arbitrari':56B,79C 'attack':46B,75C 'browser':19B,60B 'bug':27B 'chrome':1A,20B,34B,68C 'chromium':89C 'code':57B,80C 'compon':31B 'corrupt':3A,26B,63C 'craft':8A,42B,86C 'cve':13A,16A 'desktop':21B 'endpoint':22B 'escap':10A 'execut':55B,78C 'googl':33B,67C 'high':92C 'html':43B,87C 'let':6A 'lure':48B 'may':54B 'memori':2A,25B,62C 'outsid':58B,81C 'page':9A,44B,53B,88C 'potenti':77C 'prior':69C 'remot':74C 'runtim':23B 'sandbox':12A,61B,83C 'secur':90C 'sever':91C 'trigger':39B 'turbolev':5A,30B,65C 'user':50B 'via':84C","nicknames":[],"mitigations":[],"who_affected":"Anyone running Google Chrome before 156.0.8078.73 on a desktop device is exposed, since the flaw is reached by simply loading a crafted web page. Teams that manage browsers centrally should check their fleet, while devices already on the fixed release or running a different browser engine are not affected by this entry.","tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-27T23:16:58+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-118305","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-118305","severity":null,"published_at":"2026-10-27T23:16:58+00:00","modified_at":"2026-10-27T23:16:58+00:00","first_seen_at":"2026-10-27T23:29:42+00:00","fetched_at":"2026-10-27T23:29:42+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"}