{"id":"CVE-2026-113153","kind":"vulnerability","aliases":["CVE-2026-113153"],"related":[],"title":"Chrome: memory corruption in Site Isolation lets a crafted page run code","description":"Memory corruption in SiteIsolation in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)","summary":"Google Chrome before 156.0.8078.47 has a memory corruption bug in SiteIsolation. A remote attacker who gets a user to open a crafted HTML page can potentially execute arbitrary code inside the browser sandbox.","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","runtime"],"not_affected_if":["already-updated-chrome"],"how_to_check":"Open chrome://settings/help and read the version; anything below 156.0.8078.47 is affected.","fix":"Update Google Chrome to 156.0.8078.47 or later.","status":"open","published_at":"2026-10-20T22:19:07+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","triaged_at":"2026-10-23T22:36:46+00:00","updated_at":"2026-10-23T22:36:46+00:00","category":"runtime","confidence":0.8,"triage":{"at":"2026-10-23T22:36:46Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome to 156.0.8078.47 or later.","reach":"internet","title":"Chrome: memory corruption in Site Isolation lets a crafted page run code","impact":"high","summary":"Google Chrome before 156.0.8078.47 has a memory corruption bug in SiteIsolation. A remote attacker who gets a user to open a crafted HTML page can potentially execute arbitrary code inside the browser sandbox.","category":"runtime","who_cares":["chrome","desktop","browsers"],"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://settings/help and read the version; anything below 156.0.8078.47 is affected.","needs_analyst":false,"not_affected_if":["already-updated-chrome"],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000465,"input_tokens":2952,"output_tokens":339,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-113153':15A,18A '-2026':14A,17A '156.0.8078.47':28B,67C 'allow':68C 'arbitrari':52B,75C 'attack':38B,71C 'browser':21B,56B 'bug':33B 'chrome':1A,20A,22B,26B,64C 'chromium':85C 'code':12A,53B,76C 'corrupt':3A,32B,59C 'craft':9A,46B,82C 'cve':13A,16A 'desktop':23B 'execut':51B,74C 'get':40B 'googl':25B,63C 'google':19A 'html':47B,83C 'insid':54B,77C 'isol':6A 'let':7A 'medium':88C 'memori':2A,31B,58C 'open':44B 'page':10A,48B,84C 'potenti':50B,73C 'prior':65C 'remot':37B,70C 'run':11A 'runtim':24B 'sandbox':57B,79C 'secur':86C 'sever':87C 'site':5A 'siteisol':35B,61C 'user':42B 'via':80C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:19:07+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-2026-113153","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113153","severity":null,"published_at":"2026-10-20T22:19:07+00:00","modified_at":"2026-10-22T15:26:15+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"}