{"id":"CVE-2026-113139","kind":"vulnerability","aliases":["CVE-2026-113139"],"related":[],"title":"Google Chrome: Autofill memory corruption lets a crafted page read sandboxed memory","description":"Memory corruption in Autofill 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: Medium)","summary":"A memory corruption bug in Chrome's Autofill feature lets a remote attacker read memory inside the browser sandbox when the victim visits a crafted HTML page. The sources describe this as a read-only information leak with a Chromium severity of Medium, not code execution.","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-users","chrome","desktop","package"],"not_affected_if":["already-on-156.0.8078.47-or-later"],"how_to_check":"- Run `chrome://version` in Chrome and compare the version shown against `156.0.8078.47`\n- On managed fleets, check the installed Chrome version with the endpoint management tool","fix":"- Update Google Chrome to `156.0.8078.47` or later\n- Relaunch the browser after the update so the new version is running","status":"open","published_at":"2026-10-20T22:19:06+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","triaged_at":"2026-10-25T03:53:13+00:00","updated_at":"2026-10-25T03:53:13+00:00","category":"package","confidence":0.7,"triage":{"at":"2026-10-25T03:53:13Z","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 new version is running","reach":"internet","title":"Google Chrome: Autofill memory corruption lets a crafted page read sandboxed memory","impact":"low","summary":"A memory corruption bug in Chrome's Autofill feature lets a remote attacker read memory inside the browser sandbox when the victim visits a crafted HTML page. The sources describe this as a read-only information leak with a Chromium severity of Medium, not code execution.","category":"package","nicknames":[],"who_cares":["chrome","desktop","browser-users"],"confidence":0.7,"needs_auth":"no","worst_case":"Attacker reads some browser sandbox memory after a victim visits a page","analyst_note":"","how_to_check":"- Run `chrome://version` in Chrome and compare the version shown against `156.0.8078.47`\n- On managed fleets, check the installed Chrome version with the endpoint management tool","needs_analyst":false,"not_affected_if":["already-on-156.0.8078.47-or-later"],"who_is_affected":"Anyone running Google Chrome before `156.0.8078.47` on desktops or devices where users browse the web. The exposure is a visited crafted page, so any browser user who reaches an untrusted site is in scope. Teams with Chrome already at `156.0.8078.47` or later can skip it.","user_interaction":"yes","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000597,"input_tokens":3335,"output_tokens":528,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-113139':15A,18A '-2026':14A,17A '156.0.8078.47':83C 'allow':84C 'attack':39B,87C 'autofil':3A,34B,77C 'browser':22B,44B 'browser-us':21B 'bug':30B 'chrome':2A,20A,24B,32B,80C 'chromium':67B,100C 'code':72B 'corrupt':5A,29B,75C 'craft':8A,51B,97C 'cve':13A,16A 'describ':56B 'desktop':25B 'execut':73B 'featur':35B 'googl':1A,79C 'google':19A 'html':52B,98C 'inform':63B 'insid':42B,92C 'leak':64B 'let':6A,36B 'medium':70B,103C 'memori':4A,12A,28B,41B,74C,91C 'packag':26B 'page':9A,53B,99C 'potenti':89C 'prior':81C 'read':10A,40B,61B,90C 'read-on':60B 'remot':38B,86C 'sandbox':11A,45B,94C 'secur':101C 'sever':68B,102C 'sourc':55B 'user':23B 'via':95C 'victim':48B 'visit':49B","nicknames":[],"mitigations":[],"who_affected":"Anyone running Google Chrome before `156.0.8078.47` on desktops or devices where users browse the web. The exposure is a visited crafted page, so any browser user who reaches an untrusted site is in scope. Teams with Chrome already at `156.0.8078.47` or later can skip it.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:19:06+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-2026-113139","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113139","severity":null,"published_at":"2026-10-20T22:19:06+00:00","modified_at":"2026-10-21T20:17:24+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"}