{"id":"CVE-2025-10585","kind":"vulnerability","aliases":["CVE-2025-10585"],"related":[],"title":"Type confusion in V8 in Google Chrome prior to 140.0.7339.185 allowed a remote attacker to potentially exploit heap…","description":"Google Chromium contains a type confusion vulnerability in the V8 JavaScript and WebAssembly engine.\n\nCISA required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","summary":"Google Chromium's V8 JavaScript and WebAssembly engine has a type confusion bug. Exploitation is confirmed in the wild, and a crafted web page can likely use it to corrupt memory in the browser.","severity":"critical","cvss":9.8,"epss":null,"exploited":true,"exploited_at":"2025-09-23T00:00:00+00:00","products":[{"name":"Google Chromium V8","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"google chrome","fixed":["140.0.7339.185"],"affected":"< 140.0.7339.185","ecosystem":"vendor"},{"name":"siemens cadra","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["browser","chrome","chromium","electron","exploited","runtime"],"not_affected_if":["managed-hosting"],"how_to_check":"Check the installed Chrome or Chromium version (chrome://version) and compare it with the fixed release named in the vendor advisory.","fix":"Update Google Chrome or Chromium to the patched release named in the Chrome Releases blog; unknown which version the sources name.","status":"open","published_at":"2025-09-23T00:00:00+00:00","first_seen_at":"2026-10-23T19:11:51+00:00","triaged_at":"2026-10-23T20:44:50+00:00","updated_at":"2026-10-23T22:29:05+00:00","category":"runtime","confidence":0.6,"triage":{"at":"2026-10-23T20:44:50Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome or Chromium to the patched release named in the Chrome Releases blog; unknown which version the sources name.","reach":"internet","summary":"Google Chromium's V8 JavaScript and WebAssembly engine has a type confusion bug. Exploitation is confirmed in the wild, and a crafted web page can likely use it to corrupt memory in the browser.","category":"runtime","who_cares":["chromium","chrome","browser","electron"],"confidence":0.6,"needs_auth":"no","worst_case":"Attacker runs code in the browser after a victim visits a malicious page.","analyst_note":"Find the fixed Chrome version and vendor advisory for CVE-2025-10585 at chromereleases.googleblog.com; sources only give the KEV entry.","how_to_check":"Check the installed Chrome or Chromium version (chrome://version) and compare it with the fixed release named in the vendor advisory.","needs_analyst":true,"not_affected_if":["managed-hosting"],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000443,"input_tokens":2515,"output_tokens":383,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-01':98C '-10585':21A,24A '-2025':20A,23A '140.0.7339.185':10A '22':97C 'action':88C 'allow':11A 'appli':89C 'applic':95C 'attack':14A 'bod':96C 'browser':32B,71B 'bug':50B 'cadra':31A 'chrome':7A,29A,33B 'chromium':26A,34B,39B,73C 'cisa':86C 'cloud':101C 'confirm':53B 'confus':2A,49B,77C 'contain':74C 'corrupt':67B 'craft':59B 'cve':19A,22A 'discontinu':104C 'electron':35B 'engin':45B,85C 'exploit':17A,36B,51B 'follow':94C 'googl':6A,38B,72C 'google':25A,28A 'guidanc':99C 'heap':18A 'instruct':93C 'javascript':42B,82C 'like':63B 'memori':68B 'mitig':90C,110C 'page':61B 'per':91C 'potenti':16A 'prior':8A 'product':108C 'remot':13A 'requir':87C 'runtim':37B 'servic':102C 'siemens':30A 'type':1A,48B,76C 'unavail':112C 'use':64B,105C 'v8':4A,27A,41B,81C 'vendor':92C 'vulner':78C 'web':60B 'webassembl':44B,84C 'wild':56B","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2025-09-23T00:00:00+00:00","kev":{"dateAdded":"2025-09-23","dueDate":"2025-10-14","requiredAction":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","knownRansomwareCampaignUse":"Unknown"},"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvss_by":"nvd@nist.gov","poc_count":0,"sources":[{"source":"kev","external_id":"CVE-2025-10585","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2025-10585","severity":null,"published_at":"2025-09-23T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:51+00:00","fetched_at":"2026-10-25T14:39:38+00:00","note":null},{"source":"nvd","external_id":"CVE-2025-10585","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-10585","severity":null,"published_at":"2025-09-24T17:15:39+00:00","modified_at":"2026-07-14T15:21:36+00:00","first_seen_at":"2026-10-23T22:29:05+00:00","fetched_at":"2026-10-23T22:29:05+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"}