{"id":"CVE-2026-113004","kind":"vulnerability","aliases":["CVE-2026-113004"],"related":[],"title":"Chrome: memory corruption in Sync lets a crafted page run code","description":"Memory corruption in Sync 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: Low)","summary":"A memory corruption bug in the Sync component of Google Chrome before 156.0.8078.47 lets a remote attacker run arbitrary code inside the browser sandbox by luring a user to a crafted HTML page. The sources rate it high (CVSS 8.8) while Chromium rates it low, and it is not known to be exploited in the wild.","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":["chrome","desktop-browser","linux","macos","other","package","windows"],"not_affected_if":["already-on-156.0.8078.47-or-later"],"how_to_check":"Open chrome://version and compare the version with 156.0.8078.47.","fix":"Update Google Chrome to 156.0.8078.47 or later.","status":"open","published_at":"2026-10-20T22:18:50+00:00","first_seen_at":"2026-10-23T21:57:23+00:00","triaged_at":"2026-10-23T22:38:24+00:00","updated_at":"2026-10-23T22:38:24+00:00","category":"package","confidence":0.8,"triage":{"at":"2026-10-23T22:38:24Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome to 156.0.8078.47 or later.","reach":"internet","title":"Chrome: memory corruption in Sync lets a crafted page run code","impact":"medium","summary":"A memory corruption bug in the Sync component of Google Chrome before 156.0.8078.47 lets a remote attacker run arbitrary code inside the browser sandbox by luring a user to a crafted HTML page. The sources rate it high (CVSS 8.8) while Chromium rates it low, and it is not known to be exploited in the wild.","category":"package","who_cares":["chrome","windows","macos","linux"],"confidence":0.8,"needs_auth":"no","worst_case":"Code runs inside the browser sandbox after a user visits a page","analyst_note":"","how_to_check":"Open chrome://version and compare the version with 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":0.000481,"input_tokens":2950,"output_tokens":372,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-113004':14A,17A '-2026':13A,16A '156.0.8078.47':41B,94C '8.8':68B 'allow':95C 'arbitrari':47B,101C 'attack':45B,98C 'browser':23B,51B 'bug':32B 'chrome':1A,19A,20B,39B,91C 'chromium':70B,111C 'code':11A,48B,102C 'compon':36B 'corrupt':3A,31B,86C 'craft':8A,59B,108C 'cve':12A,15A 'cvss':67B 'desktop':22B 'desktop-brows':21B 'execut':100C 'exploit':81B 'googl':38B,90C 'google':18A 'high':66B 'html':60B,109C 'insid':49B,103C 'known':78B 'let':6A,42B 'linux':24B 'low':73B,114C 'lure':54B 'maco':25B 'memori':2A,30B,85C 'packag':27B 'page':9A,61B,110C 'prior':92C 'rate':64B,71B 'remot':44B,97C 'run':10A,46B 'sandbox':52B,105C 'secur':112C 'sever':113C 'sourc':63B 'sync':5A,35B,88C 'user':56B 'via':106C 'wild':84B 'window':28B","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:18:50+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-2026-113004","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113004","severity":null,"published_at":"2026-10-20T22:18:50+00:00","modified_at":"2026-10-21T17:11:30+00:00","first_seen_at":"2026-10-23T21:57:23+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"}