{"id":"CVE-2026-118352","kind":"vulnerability","aliases":["CVE-2026-118352"],"related":[],"title":"Chrome: memory corruption in Cache lets a crafted page run code","description":"Memory corruption in Cache in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)","summary":"Google Chrome before 156.0.8078.73 has a memory corruption bug in its Cache component. A remote attacker who gets a user to open a crafted HTML page could execute arbitrary code inside the browser sandbox.","severity":"high","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["browser","chrome","desktop","endpoints","runtime"],"not_affected_if":["already-on-156.0.8078.73-or-later"],"how_to_check":"- Open Chrome, go to `chrome://settings/help` and read the installed version; anything below `156.0.8078.73` is affected.\n- On managed fleets, query the Chrome version reported by your endpoint management tool.","fix":"- Update Google Chrome to `156.0.8078.73` or later, then relaunch the browser.","status":"open","published_at":"2026-10-27T23:17:04+00:00","first_seen_at":"2026-10-27T23:29:44+00:00","triaged_at":"2026-10-27T23:31:31+00:00","updated_at":"2026-10-27T23:31:31+00:00","category":"runtime","confidence":0.6,"triage":{"at":"2026-10-27T23:31:31Z","model":"claude-haiku-5-5","output":{"fix":"- Update Google Chrome to `156.0.8078.73` or later, then relaunch the browser.","reach":"internet","title":"Chrome: memory corruption in Cache lets a crafted page run code","impact":"high","summary":"Google Chrome before 156.0.8078.73 has a memory corruption bug in its Cache component. A remote attacker who gets a user to open a crafted HTML page could execute arbitrary code inside the browser sandbox.","category":"runtime","nicknames":[],"who_cares":["chrome","browser","desktop","endpoints"],"confidence":0.6,"needs_auth":"no","worst_case":"Code runs inside the browser sandbox after a user opens a page.","analyst_note":"Confirm the sandbox-escape status and whether a patch-level exploit is reported at the Chromium release notes for 156.0.8078.73.","how_to_check":"- Open Chrome, go to `chrome://settings/help` and read the installed version; anything below `156.0.8078.73` is affected.\n- On managed fleets, query the Chrome version reported by your endpoint management tool.","needs_analyst":true,"not_affected_if":["already-on-156.0.8078.73-or-later"],"who_is_affected":"Any machine with Google Chrome before 156.0.8078.73 that browses untrusted web content is exposed, since the trigger is simply a crafted HTML page. Servers and automated systems that do not run a desktop browser are unlikely to be affected. Users on a Chromium-based browser that ships its own Cache component should check that vendor's release notes.","user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000616,"input_tokens":3297,"output_tokens":572,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-118352':14A,17A '-2026':13A,16A '156.0.8078.73':26B,66C 'allow':67C 'arbitrari':51B,74C 'attack':38B,70C 'browser':18B,55B 'bug':31B 'cach':5A,34B,60C 'chrome':1A,19B,24B,63C 'chromium':84C 'code':11A,52B,75C 'compon':35B 'corrupt':3A,30B,58C 'could':49B 'craft':8A,46B,81C 'cve':12A,15A 'desktop':20B 'endpoint':21B 'execut':50B,73C 'get':40B 'googl':23B,62C 'high':87C 'html':47B,82C 'insid':53B,76C 'let':6A 'memori':2A,29B,57C 'open':44B 'page':9A,48B,83C 'potenti':72C 'prior':64C 'remot':37B,69C 'run':10A 'runtim':22B 'sandbox':56B,78C 'secur':85C 'sever':86C 'user':42B 'via':79C","nicknames":[],"mitigations":[],"who_affected":"Any machine with Google Chrome before 156.0.8078.73 that browses untrusted web content is exposed, since the trigger is simply a crafted HTML page. Servers and automated systems that do not run a desktop browser are unlikely to be affected. Users on a Chromium-based browser that ships its own Cache component should check that vendor's release notes.","tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-27T23:17:04+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-118352","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-118352","severity":null,"published_at":"2026-10-27T23:17:04+00:00","modified_at":"2026-10-27T23:17:04+00:00","first_seen_at":"2026-10-27T23:29:44+00:00","fetched_at":"2026-10-27T23:29:44+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"}