{"id":"CVE-2026-76024","kind":"vulnerability","aliases":["CVE-2026-76024"],"related":[],"title":"Chrome: memory corruption in MediaStream lets a crafted page read memory","description":"Memory corruption in MediaStream in Google Chrome prior to 156.0.8078.79 allowed a remote attacker to potentially read memory inside the sandbox via a crafted HTML page. (Chromium security severity: Critical)","summary":"A memory corruption flaw in the MediaStream component of Google Chrome before 156.0.8078.79 can be triggered by a crafted HTML page. A remote attacker can potentially read memory inside the browser sandbox.","severity":"critical","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["browser","chrome","desktop","runtime"],"not_affected_if":["chrome-up-to-date"],"how_to_check":"- Check the installed Chrome version in Chrome's About page (chrome://settings/help) and compare it with `156.0.8078.79`.","fix":"- Google Chrome: `156.0.8078.79` or later.","status":"open","published_at":"2026-10-30T01:16:46+00:00","first_seen_at":"2026-10-30T01:27:58+00:00","triaged_at":"2026-10-30T01:29:47+00:00","updated_at":"2026-10-30T01:29:47+00:00","category":"runtime","confidence":0.7,"triage":{"at":"2026-10-30T01:29:47Z","model":"claude-haiku-5-5","output":{"fix":"- Google Chrome: `156.0.8078.79` or later.","reach":"internet","title":"Chrome: memory corruption in MediaStream lets a crafted page read memory","impact":"medium","summary":"A memory corruption flaw in the MediaStream component of Google Chrome before 156.0.8078.79 can be triggered by a crafted HTML page. A remote attacker can potentially read memory inside the browser sandbox.","audience":"everyone","category":"runtime","nicknames":[],"who_cares":["chrome","browser","desktop"],"confidence":0.7,"fix_status":"available","needs_auth":"no","worst_case":"Attacker reads memory inside the browser sandbox via a crafted page.","analyst_note":"","how_to_check":"- Check the installed Chrome version in Chrome's About page (chrome://settings/help) and compare it with `156.0.8078.79`.\n- unknown for other checks.","plain_action":"Update Google Chrome to version 156.0.8078.79 or later.","needs_analyst":false,"not_affected_if":["chrome-up-to-date"],"who_is_affected":"Any Google Chrome installation older than 156.0.8078.79 is affected when a user visits a crafted HTML page. Users on managed or auto-updated browsers that have already moved to the fixed release can skip it.","user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"critical"},"cost_usd":0.000658,"input_tokens":4104,"output_tokens":495,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2026':13A,16A '-76024':14A,17A '156.0.8078.79':34B,63C 'allow':64C 'attack':45B,67C 'browser':18B,52B 'chrome':1A,19B,32B,60C 'chromium':80C 'compon':29B 'corrupt':3A,24B,55C 'craft':8A,40B,77C 'critic':83C 'cve':12A,15A 'desktop':20B 'flaw':25B 'googl':31B,59C 'html':41B,78C 'insid':50B,72C 'let':6A 'mediastream':5A,28B,57C 'memori':2A,11A,23B,49B,54C,71C 'page':9A,42B,79C 'potenti':47B,69C 'prior':61C 'read':10A,48B,70C 'remot':44B,66C 'runtim':21B 'sandbox':53B,74C 'secur':81C 'sever':82C 'trigger':37B 'via':75C","nicknames":[],"mitigations":[],"who_affected":"Any Google Chrome installation older than 156.0.8078.79 is affected when a user visits a crafted HTML page. Users on managed or auto-updated browsers that have already moved to the fixed release can skip it.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"everyone","plain_action":"Update Google Chrome to version 156.0.8078.79 or later.","first_public_at":"2026-10-30T01:16:46+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-76024","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-76024","severity":null,"published_at":"2026-10-30T01:16:46+00:00","modified_at":"2026-10-30T01:16:46+00:00","first_seen_at":"2026-10-30T01:27:58+00:00","fetched_at":"2026-10-30T01:27:58+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"}