{"id":"CVE-2026-113317","kind":"vulnerability","aliases":["CVE-2026-113317"],"related":[],"title":"Chrome on Mac: accessibility memory bug lets crafted page run code","description":"Memory corruption in Accessibility in Google Chrome on on Mac 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: High)","summary":"A memory corruption bug in Chrome's Accessibility code on Mac lets a crafted HTML page run code inside the browser sandbox. An attacker only needs to get a victim to load that page.","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":["browser","chrome","macos","other","runtime"],"not_affected_if":["chrome-156.0.8078.47-or-later","not-macos"],"how_to_check":"Open chrome://version and compare the version with 156.0.8078.47.","fix":"Update Google Chrome on Mac to 156.0.8078.47 or later.","status":"open","published_at":"2026-10-20T22:19:26+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","triaged_at":"2026-10-23T22:35:07+00:00","updated_at":"2026-10-23T22:35:07+00:00","category":"other","confidence":0.8,"triage":{"at":"2026-10-23T22:35:07Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome on Mac to 156.0.8078.47 or later.","reach":"internet","title":"Chrome on Mac: accessibility memory bug lets crafted page run code","impact":"high","summary":"A memory corruption bug in Chrome's Accessibility code on Mac lets a crafted HTML page run code inside the browser sandbox. An attacker only needs to get a victim to load that page.","category":"other","who_cares":["chrome","macos","browser"],"confidence":0.8,"needs_auth":"no","worst_case":"Attacker runs code inside the browser sandbox on the victim's Mac","analyst_note":"","how_to_check":"Open chrome://version and compare the version with 156.0.8078.47.\nunknown","needs_analyst":false,"not_affected_if":["not-macos","chrome-156.0.8078.47-or-later"],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000791,"input_tokens":2951,"output_tokens":991,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-113317':14A,17A '-2026':13A,16A '156.0.8078.47':71C 'access':4A,32B,62C 'allow':72C 'arbitrari':79C 'attack':48B,75C 'browser':20B,45B 'bug':6A,28B 'chrome':1A,19A,21B,30B,65C 'chromium':89C 'code':11A,33B,42B,80C 'corrupt':27B,60C 'craft':8A,38B,86C 'cve':12A,15A 'execut':78C 'get':52B 'googl':64C 'google':18A 'high':92C 'html':39B,87C 'insid':43B,81C 'let':7A,36B 'load':56B 'mac':3A,35B,68C 'maco':22B 'memori':5A,26B,59C 'need':50B 'page':9A,40B,58B,88C 'potenti':77C 'prior':69C 'remot':74C 'run':10A,41B 'runtim':24B 'sandbox':46B,83C 'secur':90C 'sever':91C 'via':84C 'victim':54B","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:19:26+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-2026-113317","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113317","severity":null,"published_at":"2026-10-20T22:19:26+00:00","modified_at":"2026-10-22T11:57:56+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","fetched_at":"2026-10-23T22:29:00+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"}