{"id":"CVE-2026-113301","kind":"vulnerability","aliases":["CVE-2026-113301"],"related":[],"title":"Chrome: memory corruption in web app installs lets a web page run code","description":"Memory corruption in WebAppInstalls 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 its WebAppInstalls component. 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","other","vendor"],"not_affected_if":["already-updated"],"how_to_check":"Run chrome://version in the browser and compare the version with 156.0.8078.47.","fix":"Update Google Chrome to 156.0.8078.47 or later.","status":"open","published_at":"2026-10-20T22:19:24+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","triaged_at":"2026-10-23T22:35:15+00:00","updated_at":"2026-10-23T22:35:15+00:00","category":"vendor","confidence":0.8,"triage":{"at":"2026-10-23T22:35:15Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome to 156.0.8078.47 or later.","reach":"internet","title":"Chrome: memory corruption in web app installs lets a web page run code","impact":"medium","summary":"Google Chrome before 156.0.8078.47 has a memory corruption bug in its WebAppInstalls component. A remote attacker who gets a user to open a crafted HTML page can potentially execute arbitrary code inside the browser sandbox.","category":"vendor","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":"Run chrome://version in the browser and compare the version with 156.0.8078.47.","needs_analyst":false,"not_affected_if":["already-updated"],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"unknown"},"cost_usd":0.000462,"input_tokens":2952,"output_tokens":333,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-113301':16A,19A '-2026':15A,18A '156.0.8078.47':30B,71C 'allow':72C 'app':6A 'arbitrari':56B,79C 'attack':42B,75C 'browser':22B,60B 'bug':35B 'chrome':1A,21A,23B,28B,68C 'chromium':89C 'code':13A,57B,80C 'compon':39B 'corrupt':3A,34B,63C 'craft':50B,86C 'cve':14A,17A 'desktop':24B 'execut':55B,78C 'get':44B 'googl':27B,67C 'google':20A 'html':51B,87C 'insid':58B,81C 'instal':7A 'let':8A 'medium':92C 'memori':2A,33B,62C 'open':48B 'page':11A,52B,88C 'potenti':54B,77C 'prior':69C 'remot':41B,74C 'run':12A 'sandbox':61B,83C 'secur':90C 'sever':91C 'user':46B 'vendor':26B 'via':84C 'web':5A,10A 'webappinstal':38B,65C","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-2026-113301","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113301","severity":null,"published_at":"2026-10-20T22:19:24+00:00","modified_at":"2026-10-21T17:06:20+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"}