{"id":"CVE-2026-113081","kind":"vulnerability","aliases":["CVE-2026-113081"],"related":[],"title":"Google Chrome: compositing use-after-free lets a crafted page run code","description":"Use after free in Compositing 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: Medium)","summary":"A use-after-free bug in Chrome's Compositing component lets a remote attacker run arbitrary code inside the browser sandbox via a crafted HTML page. The sources say the attacker needs a victim to load that page and do not say whether the sandbox escape is also needed.","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","linux","macos","other","runtime","windows"],"not_affected_if":["already-on-156.0.8078.47-or-later"],"how_to_check":"Run chrome://version in the browser and compare the version with 156.0.8078.47.\nOn managed machines, check the installed Chrome version with the endpoint management tool.","fix":"Update Google Chrome to 156.0.8078.47 or later.\nRestart the browser after the update so the new version runs.","status":"open","published_at":"2026-10-20T22:18:59+00:00","first_seen_at":"2026-10-23T21:57:23+00:00","triaged_at":"2026-10-23T22:37:36+00:00","updated_at":"2026-10-23T22:37:36+00:00","category":"other","confidence":0.8,"triage":{"at":"2026-10-23T22:37:36Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome to 156.0.8078.47 or later.\nRestart the browser after the update so the new version runs.","reach":"internet","title":"Google Chrome: compositing use-after-free lets a crafted page run code","impact":"high","summary":"A use-after-free bug in Chrome's Compositing component lets a remote attacker run arbitrary code inside the browser sandbox via a crafted HTML page. The sources say the attacker needs a victim to load that page and do not say whether the sandbox escape is also needed.","category":"other","who_cares":["chrome","windows","macos","linux"],"confidence":0.8,"needs_auth":"no","worst_case":"Attacker runs code inside the Chrome renderer sandbox on the victim's machine.","analyst_note":"","how_to_check":"Run chrome://version in the browser and compare the version with 156.0.8078.47.\nOn managed machines, check the installed Chrome version with the endpoint management tool.\nunknown","needs_analyst":false,"not_affected_if":["already-on-156.0.8078.47-or-later"],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000499,"input_tokens":2944,"output_tokens":409,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-113081':16A,19A '-2026':15A,18A '156.0.8078.47':88C 'allow':89C 'also':76B 'arbitrari':44B,95C 'attack':42B,59B,92C 'browser':48B 'bug':33B 'chrome':2A,21A,22B,35B,85C 'chromium':105C 'code':13A,45B,96C 'compon':38B 'composit':3A,37B,82C 'craft':10A,52B,102C 'cve':14A,17A 'escap':74B 'execut':94C 'free':7A,32B,80C 'googl':1A,84C 'google':20A 'html':53B,103C 'insid':46B,97C 'let':8A,39B 'linux':23B 'load':64B 'maco':24B 'medium':108C 'need':60B,77B 'page':11A,54B,66B,104C 'prior':86C 'remot':41B,91C 'run':12A,43B 'runtim':26B 'sandbox':49B,73B,99C 'say':57B,70B 'secur':106C 'sever':107C 'sourc':56B 'use':5A,30B,78C 'use-after-fre':4A,29B 'via':50B,100C 'victim':62B 'whether':71B 'window':27B","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:18:59+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-2026-113081","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113081","severity":null,"published_at":"2026-10-20T22:18:59+00:00","modified_at":"2026-10-22T15:34:43+00:00","first_seen_at":"2026-10-23T21:57:23+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"}