{"id":"CVE-2026-118313","kind":"vulnerability","aliases":["CVE-2026-118313"],"related":[],"title":"Chrome: use-after-free in Video lets a crafted page run code","description":"Use after free in Video in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)","summary":"A use-after-free bug in the Video component of Google Chrome before 156.0.8078.73 can be triggered by a crafted HTML page. A remote attacker who gets a user to load that page can execute arbitrary code inside the browser sandbox.","severity":"high","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["browsers","chrome","desktop","other"],"not_affected_if":["chrome-at-or-above-156.0.8078.73","no-browser-on-host"],"how_to_check":"- Run `chrome://version` in Chrome and compare the version with `156.0.8078.73`.\n- On managed fleets, check the Chrome version reported by the endpoint management tool.","fix":"- Update Google Chrome to `156.0.8078.73` or later.\n- Relaunch the browser after the update so the new version is running.","status":"open","published_at":"2026-10-27T23:16:59+00:00","first_seen_at":"2026-10-27T23:29:43+00:00","triaged_at":"2026-10-27T23:32:06+00:00","updated_at":"2026-10-27T23:32:06+00:00","category":"other","confidence":0.6,"triage":{"at":"2026-10-27T23:32:06Z","model":"claude-haiku-5-5","output":{"fix":"- Update Google Chrome to `156.0.8078.73` or later.\n- Relaunch the browser after the update so the new version is running.","reach":"internet","title":"Chrome: use-after-free in Video lets a crafted page run code","impact":"high","summary":"A use-after-free bug in the Video component of Google Chrome before 156.0.8078.73 can be triggered by a crafted HTML page. A remote attacker who gets a user to load that page can execute arbitrary code inside the browser sandbox.","category":"other","nicknames":[],"who_cares":["chrome","desktop","browsers"],"confidence":0.6,"needs_auth":"no","worst_case":"Attacker runs code inside the browser sandbox after a page visit","analyst_note":"","how_to_check":"- Run `chrome://version` in Chrome and compare the version with `156.0.8078.73`.\n- On managed fleets, check the Chrome version reported by the endpoint management tool.","needs_analyst":false,"not_affected_if":["chrome-at-or-above-156.0.8078.73","no-browser-on-host"],"who_is_affected":"Any machine with Google Chrome before 156.0.8078.73 is exposed when a user opens a crafted HTML page. Teams that manage browsers on laptops or shared workstations should patch them; servers that do not browse the web are unlikely to be affected. unknown whether other Chromium-based browsers share the same flaw.","user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000593,"input_tokens":3291,"output_tokens":528,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-118313':16A,19A '-2026':15A,18A '156.0.8078.73':37B,75C 'allow':76C 'arbitrari':59B,82C 'attack':48B,79C 'browser':20B,63B 'bug':28B 'chrome':1A,21B,35B,72C 'chromium':92C 'code':13A,60B,83C 'compon':32B 'craft':10A,43B,89C 'cve':14A,17A 'desktop':22B 'execut':58B,81C 'free':5A,27B,67C 'get':50B 'googl':34B,71C 'high':95C 'html':44B,90C 'insid':61B,84C 'let':8A 'load':54B 'page':11A,45B,56B,91C 'prior':73C 'remot':47B,78C 'run':12A 'sandbox':64B,86C 'secur':93C 'sever':94C 'trigger':40B 'use':3A,25B,65C 'use-after-fre':2A,24B 'user':52B 'via':87C 'video':7A,31B,69C","nicknames":[],"mitigations":[],"who_affected":"Any machine with Google Chrome before 156.0.8078.73 is exposed when a user opens a crafted HTML page. Teams that manage browsers on laptops or shared workstations should patch them; servers that do not browse the web are unlikely to be affected. unknown whether other Chromium-based browsers share the same flaw.","tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-27T23:16:59+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-118313","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-118313","severity":null,"published_at":"2026-10-27T23:16:59+00:00","modified_at":"2026-10-27T23:16:59+00:00","first_seen_at":"2026-10-27T23:29:43+00:00","fetched_at":"2026-10-27T23:29:43+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"}