{"id":"CVE-2026-113274","kind":"vulnerability","aliases":["CVE-2026-113274"],"related":[],"title":"Chrome: use-after-free in Reading Mode lets crafted page run code","description":"Use after free in ReadingMode 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: Low)","summary":"A use-after-free bug in Chrome's Reading Mode lets a remote attacker run arbitrary code inside the browser sandbox by luring a user to a crafted HTML page. Chrome 156.0.8078.47 fixes it.","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-users","chrome","linux","macos","other","windows"],"not_affected_if":["chrome-already-updated-to-156.0.8078.47-or-later"],"how_to_check":"Open chrome://settings/help or run the browser version check and confirm the version is below 156.0.8078.47.","fix":"Update Google Chrome to 156.0.8078.47 or later.","status":"open","published_at":"2026-10-20T22:19:21+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","triaged_at":"2026-10-23T22:35:30+00:00","updated_at":"2026-10-23T22:35:30+00:00","category":"other","confidence":0.8,"triage":{"at":"2026-10-23T22:35:30Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome to 156.0.8078.47 or later.","reach":"internet","title":"Chrome: use-after-free in Reading Mode lets crafted page run code","impact":"high","summary":"A use-after-free bug in Chrome's Reading Mode lets a remote attacker run arbitrary code inside the browser sandbox by luring a user to a crafted HTML page. Chrome 156.0.8078.47 fixes it.","category":"other","who_cares":["chrome","browser-users","windows","macos","linux"],"confidence":0.8,"needs_auth":"no","worst_case":"Attacker runs code inside the browser sandbox after the victim visits a page","analyst_note":"","how_to_check":"Open chrome://settings/help or run the browser version check and confirm the version is below 156.0.8078.47.","needs_analyst":false,"not_affected_if":["chrome-already-updated-to-156.0.8078.47-or-later"],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000477,"input_tokens":2950,"output_tokens":364,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-113274':16A,19A '-2026':15A,18A '156.0.8078.47':62B,74C 'allow':75C 'arbitrari':46B,81C 'attack':44B,78C 'browser':23B,50B 'browser-us':22B 'bug':35B 'chrome':1A,21A,25B,37B,61B,71C 'chromium':91C 'code':13A,47B,82C 'craft':10A,58B,88C 'cve':14A,17A 'execut':80C 'fix':63B 'free':5A,34B,66C 'googl':70C 'google':20A 'html':59B,89C 'insid':48B,83C 'let':9A,41B 'linux':26B 'low':94C 'lure':53B 'maco':27B 'mode':8A,40B 'page':11A,60B,90C 'prior':72C 'read':7A,39B 'readingmod':68C 'remot':43B,77C 'run':12A,45B 'sandbox':51B,85C 'secur':92C 'sever':93C 'use':3A,32B,64C 'use-after-fre':2A,31B 'user':24B,55B 'via':86C 'window':29B","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:19:21+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-2026-113274","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113274","severity":null,"published_at":"2026-10-20T22:19:21+00:00","modified_at":"2026-10-21T17:08:20+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"}