{"id":"CVE-2026-113296","kind":"vulnerability","aliases":["CVE-2026-113296"],"related":[],"title":"Google Chrome: memory corruption in Actor lets crafted page read sandbox memory","description":"Memory corruption in Actor in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to potentially read memory inside the sandbox via a crafted HTML page. (Chromium security severity: Low)","summary":"A memory corruption flaw in the Actor component of Google Chrome before 156.0.8078.47 can be triggered by a crafted HTML page. A remote attacker could potentially read memory inside the browser sandbox.","severity":"medium","cvss":6.5,"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","desktop","managed-fleets","vendor"],"not_affected_if":["already-updated","no-chrome-installed"],"how_to_check":"- Open chrome://settings/help or run `google-chrome --version` and compare against `156.0.8078.47`\n- Check managed fleets for Chrome builds below `156.0.8078.47`","fix":"- Update Google Chrome to `156.0.8078.47` or later\n- Relaunch the browser after the update so the fixed build is running","status":"open","published_at":"2026-10-20T22:19:23+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","triaged_at":"2026-10-25T03:52:57+00:00","updated_at":"2026-10-25T03:52:57+00:00","category":"vendor","confidence":0.6,"triage":{"at":"2026-10-25T03:52:57Z","model":"claude-haiku-5-5","output":{"fix":"- Update Google Chrome to `156.0.8078.47` or later\n- Relaunch the browser after the update so the fixed build is running","reach":"internet","title":"Google Chrome: memory corruption in Actor lets crafted page read sandbox memory","impact":"low","summary":"A memory corruption flaw in the Actor component of Google Chrome before 156.0.8078.47 can be triggered by a crafted HTML page. A remote attacker could potentially read memory inside the browser sandbox.","category":"vendor","nicknames":[],"who_cares":["chrome","browser","desktop","managed-fleets"],"confidence":0.6,"needs_auth":"no","worst_case":"Attacker reads memory inside the browser sandbox via crafted page","analyst_note":"","how_to_check":"- Open chrome://settings/help or run `google-chrome --version` and compare against `156.0.8078.47`\n- Check managed fleets for Chrome builds below `156.0.8078.47`","needs_analyst":false,"not_affected_if":["already-updated","no-chrome-installed"],"who_is_affected":"Any user or system running Google Chrome before 156.0.8078.47 who browses untrusted web content is potentially exposed, since the trigger is a crafted HTML page. Systems that only run a pinned, managed Chrome build that has already been updated can skip it. The sources do not describe any server-side or non-browser exposure.","user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"unknown"},"cost_usd":0.000596,"input_tokens":3332,"output_tokens":525,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-113296':15A,18A '-2026':14A,17A '156.0.8078.47':40B,69C 'actor':6A,34B,63C 'allow':70C 'attack':51B,73C 'browser':21B,58B 'chrome':2A,20A,22B,38B,66C 'chromium':86C 'compon':35B 'corrupt':4A,30B,61C 'could':52B 'craft':8A,46B,83C 'cve':13A,16A 'desktop':23B 'flaw':31B 'fleet':26B 'googl':1A,37B,65C 'google':19A 'html':47B,84C 'insid':56B,78C 'let':7A 'low':89C 'manag':25B 'managed-fleet':24B 'memori':3A,12A,29B,55B,60C,77C 'page':9A,48B,85C 'potenti':53B,75C 'prior':67C 'read':10A,54B,76C 'remot':50B,72C 'sandbox':11A,59B,80C 'secur':87C 'sever':88C 'trigger':43B 'vendor':27B 'via':81C","nicknames":[],"mitigations":[],"who_affected":"Any user or system running Google Chrome before 156.0.8078.47 who browses untrusted web content is potentially exposed, since the trigger is a crafted HTML page. Systems that only run a pinned, managed Chrome build that has already been updated can skip it. The sources do not describe any server-side or non-browser exposure.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:19:23+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","cvss_by":"134c704f-9b21-4f2e-91b3-4a467353bcc0","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-113296","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113296","severity":null,"published_at":"2026-10-20T22:19:23+00:00","modified_at":"2026-10-21T17:06:49+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"}