{"id":"CVE-2026-113098","kind":"vulnerability","aliases":["CVE-2026-113098"],"related":[],"title":"Google Chrome: CacheStorage memory corruption lets a web page read sandbox memory","description":"Memory corruption in CacheStorage 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: High)","summary":"Google Chrome versions before 156.0.8078.47 have a memory corruption bug in CacheStorage. A remote attacker can host a crafted HTML page that lets them 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":["browsers","chrome","endpoints","other"],"not_affected_if":["chrome-updated","no-chrome-installed"],"how_to_check":"- Open chrome://settings/help in Chrome and compare the version with `156.0.8078.47`\n- Run `google-chrome --version` on Linux or check the Chrome version on managed Windows and macOS fleets","fix":"- Update Google Chrome to `156.0.8078.47` or later\n- Restart the browser after the update so the fix takes effect","status":"open","published_at":"2026-10-20T22:19:01+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","triaged_at":"2026-10-25T03:53:16+00:00","updated_at":"2026-10-25T03:53:16+00:00","category":"other","confidence":0.7,"triage":{"at":"2026-10-25T03:53:16Z","model":"claude-haiku-5-5","output":{"fix":"- Update Google Chrome to `156.0.8078.47` or later\n- Restart the browser after the update so the fix takes effect","reach":"internet","title":"Google Chrome: CacheStorage memory corruption lets a web page read sandbox memory","impact":"low","summary":"Google Chrome versions before 156.0.8078.47 have a memory corruption bug in CacheStorage. A remote attacker can host a crafted HTML page that lets them read memory inside the browser sandbox.","category":"other","nicknames":[],"who_cares":["chrome","browsers","endpoints"],"confidence":0.7,"needs_auth":"no","worst_case":"attacker reads memory inside the browser sandbox","analyst_note":"","how_to_check":"- Open chrome://settings/help in Chrome and compare the version with `156.0.8078.47`\n- Run `google-chrome --version` on Linux or check the Chrome version on managed Windows and macOS fleets","needs_analyst":false,"not_affected_if":["chrome-updated","no-chrome-installed"],"who_is_affected":"Any machine running Google Chrome before `156.0.8078.47` is exposed when a user visits a malicious page. Managed fleets that pin Chrome versions should check their update policy. Systems without Chrome, or with Chrome already at the fixed version, can skip it.","user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"unknown"},"cost_usd":0.000584,"input_tokens":3336,"output_tokens":501,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-113098':15A,18A '-2026':14A,17A '156.0.8078.47':28B,63C 'allow':64C 'attack':38B,67C 'browser':21B,52B 'bug':33B 'cachestorag':3A,35B,57C 'chrome':2A,20A,22B,25B,60C 'chromium':80C 'corrupt':5A,32B,55C 'craft':42B,77C 'cve':13A,16A 'endpoint':23B 'googl':1A,24B,59C 'google':19A 'high':83C 'host':40B 'html':43B,78C 'insid':50B,72C 'let':6A,46B 'memori':4A,12A,31B,49B,54C,71C 'page':9A,44B,79C 'potenti':69C 'prior':61C 'read':10A,48B,70C 'remot':37B,66C 'sandbox':11A,53B,74C 'secur':81C 'sever':82C 'version':26B 'via':75C 'web':8A","nicknames":[],"mitigations":[],"who_affected":"Any machine running Google Chrome before `156.0.8078.47` is exposed when a user visits a malicious page. Managed fleets that pin Chrome versions should check their update policy. Systems without Chrome, or with Chrome already at the fixed version, can skip it.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:19:01+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-2026-113098","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113098","severity":null,"published_at":"2026-10-20T22:19:01+00:00","modified_at":"2026-10-21T21:03:48+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"}