{"id":"CVE-2026-113258","kind":"vulnerability","aliases":["CVE-2026-113258"],"related":[],"title":"Google Chrome: Chromoting memory corruption lets crafted page run code in sandbox","description":"Memory corruption in Chromoting 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":"Chrome's Chromoting remote desktop component has a memory corruption bug that a crafted HTML page can trigger. An attacker 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":["chrome","desktop-browsers","runtime"],"not_affected_if":["chrome-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":"2026-10-20T22:19:19+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","triaged_at":"2026-10-23T22:35:41+00:00","updated_at":"2026-10-23T22:35:41+00:00","category":"runtime","confidence":0.7,"triage":{"at":"2026-10-23T22:35:41Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome to 156.0.8078.47 or later.","reach":"internet","title":"Google Chrome: Chromoting memory corruption lets crafted page run code in sandbox","impact":"medium","summary":"Chrome's Chromoting remote desktop component has a memory corruption bug that a crafted HTML page can trigger. An attacker can potentially execute arbitrary code inside the browser sandbox.","category":"runtime","who_cares":["chrome","desktop-browsers"],"confidence":0.7,"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":["chrome-already-updated"],"user_interaction":"yes","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000459,"input_tokens":2948,"output_tokens":328,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-113258':15A,18A '-2026':14A,17A '156.0.8078.47':64C 'allow':65C 'arbitrari':49B,72C 'attack':45B,68C 'browser':24B,53B 'bug':36B 'chrome':2A,20A,21B,26B,61C 'chromium':82C 'chromot':3A,28B,58C 'code':10A,50B,73C 'compon':31B 'corrupt':5A,35B,56C 'craft':7A,39B,79C 'cve':13A,16A 'desktop':23B,30B 'desktop-brows':22B 'execut':48B,71C 'googl':1A,60C 'google':19A 'html':40B,80C 'insid':51B,74C 'let':6A 'medium':85C 'memori':4A,34B,55C 'page':8A,41B,81C 'potenti':47B,70C 'prior':62C 'remot':29B,67C 'run':9A 'runtim':25B 'sandbox':12A,54B,76C 'secur':83C 'sever':84C 'trigger':43B 'via':77C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:19:19+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-2026-113258","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113258","severity":null,"published_at":"2026-10-20T22:19:19+00:00","modified_at":"2026-10-21T17:09:41+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"}