{"id":"CVE-2026-113133","kind":"vulnerability","aliases":["CVE-2026-113133"],"related":[],"title":"Chrome: memory corruption in PlatformIntegration lets a web page run code","description":"Memory corruption in PlatformIntegration 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 PlatformIntegration component lets a remote attacker run arbitrary code inside the browser sandbox via 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":["browsers","chrome","desktop","runtime"],"not_affected_if":["already-on-156.0.8078.47-or-later"],"how_to_check":"Run chrome://version in Google Chrome and compare the version with 156.0.8078.47.","fix":"Update Google Chrome to 156.0.8078.47 or later.","status":"open","published_at":"2026-10-20T22:19:05+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","triaged_at":"2026-10-23T22:36:57+00:00","updated_at":"2026-10-23T22:36:57+00:00","category":"runtime","confidence":0.8,"triage":{"at":"2026-10-23T22:36:57Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome to 156.0.8078.47 or later.","reach":"internet","title":"Chrome: memory corruption in PlatformIntegration lets a web page run code","impact":"high","summary":"A memory corruption bug in Chrome's PlatformIntegration component lets a remote attacker run arbitrary code inside the browser sandbox via a crafted HTML page. The sources rate it high (CVSS 8.8) and Chromium rates it medium.","category":"runtime","who_cares":["chrome","desktop","browsers"],"confidence":0.8,"needs_auth":"no","worst_case":"Attacker runs code inside the browser sandbox after a victim visits a page","analyst_note":"","how_to_check":"Run chrome://version in Google Chrome 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":"high"},"cost_usd":0.000473,"input_tokens":2948,"output_tokens":356,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-113133':14A,17A '-2026':13A,16A '156.0.8078.47':70C '8.8':55B 'allow':71C 'arbitrari':38B,77C 'attack':36B,74C 'browser':20B,42B 'bug':27B 'chrome':1A,19A,21B,29B,67C 'chromium':57B,87C 'code':11A,39B,78C 'compon':32B 'corrupt':3A,26B,62C 'craft':46B,84C 'cve':12A,15A 'cvss':54B 'desktop':22B 'execut':76C 'googl':66C 'google':18A 'high':53B 'html':47B,85C 'insid':40B,79C 'let':6A,33B 'medium':60B,90C 'memori':2A,25B,61C 'page':9A,48B,86C 'platformintegr':5A,31B,64C 'prior':68C 'rate':51B,58B 'remot':35B,73C 'run':10A,37B 'runtim':23B 'sandbox':43B,81C 'secur':88C 'sever':89C 'sourc':50B 'via':44B,82C 'web':8A","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:19:05+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-2026-113133","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113133","severity":null,"published_at":"2026-10-20T22:19:05+00:00","modified_at":"2026-10-21T16:14:13+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"}