{"id":"CVE-2026-113297","kind":"vulnerability","aliases":["CVE-2026-113297"],"related":[],"title":"Chrome: Ozone access control flaw leaks sensitive data from crafted pages","description":"Improper access control in Ozone in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to leak sensitive information via a crafted HTML page. (Chromium security severity: Medium)","summary":"Google Chrome's Ozone display and platform layer has an improper access control flaw before 156.0.8078.47. A remote attacker who gets a user to open a crafted HTML page can leak sensitive information.","severity":"medium","cvss":6.5,"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","endpoints","vendor"],"not_affected_if":["chrome-156.0.8078.47-or-later"],"how_to_check":"- Check the installed Chrome version at chrome://settings/help or with `google-chrome --version` and compare it to `156.0.8078.47`\n- Check fleet browser versions through your endpoint management tool","fix":"- Update Google Chrome to `156.0.8078.47` or later and restart the browser","status":"open","published_at":"2026-10-20T22:19:23+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","triaged_at":"2026-10-25T03:52:57+00:00","updated_at":"2026-10-25T03:52:57+00:00","category":"vendor","confidence":0.6,"triage":{"at":"2026-10-25T03:52:57Z","model":"claude-haiku-5-5","output":{"fix":"- Update Google Chrome to `156.0.8078.47` or later and restart the browser","reach":"internet","title":"Chrome: Ozone access control flaw leaks sensitive data from crafted pages","impact":"medium","summary":"Google Chrome's Ozone display and platform layer has an improper access control flaw before 156.0.8078.47. A remote attacker who gets a user to open a crafted HTML page can leak sensitive information.","category":"vendor","nicknames":[],"who_cares":["chrome","browsers","endpoints"],"confidence":0.6,"needs_auth":"no","worst_case":"Sensitive information from the browser is readable by a remote page","analyst_note":"","how_to_check":"- Check the installed Chrome version at chrome://settings/help or with `google-chrome --version` and compare it to `156.0.8078.47`\n- Check fleet browser versions through your endpoint management tool","needs_analyst":false,"not_affected_if":["chrome-156.0.8078.47-or-later"],"who_is_affected":"Any device running Google Chrome older than 156.0.8078.47 is exposed when a user visits an attacker-controlled page. Managed fleets that pin Chrome or delay updates are the most likely to be behind. Devices already on 156.0.8078.47 or later are not affected.","user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"medium"},"cost_usd":0.000577,"input_tokens":3329,"output_tokens":488,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-113297':14A,17A '-2026':13A,16A '156.0.8078.47':39B,67C 'access':3A,35B,58C 'allow':68C 'attack':42B,71C 'browser':20B 'chrome':1A,19A,21B,25B,64C 'chromium':81C 'control':4A,36B,59C 'craft':10A,50B,78C 'cve':12A,15A 'data':8A 'display':28B 'endpoint':22B 'flaw':5A,37B 'get':44B 'googl':24B,63C 'google':18A 'html':51B,79C 'improp':34B,57C 'inform':56B,75C 'layer':31B 'leak':6A,54B,73C 'medium':84C 'open':48B 'ozon':2A,27B,61C 'page':11A,52B,80C 'platform':30B 'prior':65C 'remot':41B,70C 'secur':82C 'sensit':7A,55B,74C 'sever':83C 'user':46B 'vendor':23B 'via':76C","nicknames":[],"mitigations":[],"who_affected":"Any device running Google Chrome older than 156.0.8078.47 is exposed when a user visits an attacker-controlled page. Managed fleets that pin Chrome or delay updates are the most likely to be behind. Devices already on 156.0.8078.47 or later are not affected.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:19:23+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","cvss_by":"134c704f-9b21-4f2e-91b3-4a467353bcc0","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-113297","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113297","severity":null,"published_at":"2026-10-20T22:19:23+00:00","modified_at":"2026-10-21T17:06:46+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"}