{"id":"CVE-2026-113344","kind":"vulnerability","aliases":["CVE-2026-113344"],"related":[],"title":"Google Chrome: memory bug in Performance lets web page run code","description":"Use after free in Performance in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)","summary":"Google Chrome before 156.0.8078.47 has a use-after-free bug in its Performance component. A remote attacker can run arbitrary code inside the browser sandbox by getting a user to open a crafted HTML page.","severity":"high","cvss":8.8,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"google chrome","fixed":["156.0.8087.47"],"affected":"< 156.0.8087.47","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["browsers","chrome","chromium","desktop","runtime"],"not_affected_if":["already-on-fixed-version"],"how_to_check":"Check the installed Chrome version (chrome://version) against the fixed release. The sources disagree on the fixed build number (156.0.8078.47 vs 156.0.8087.47).","fix":"Update Google Chrome to 156.0.8087.47 or later, or to 156.0.8078.47 if that is the correct fixed build.","status":"open","published_at":"2026-10-20T22:19:29+00:00","first_seen_at":"2026-10-23T21:57:25+00:00","triaged_at":"2026-10-23T22:34:54+00:00","updated_at":"2026-10-23T22:34:54+00:00","category":"runtime","confidence":0.7,"triage":{"at":"2026-10-23T22:34:54Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome to 156.0.8087.47 or later, or to 156.0.8078.47 if that is the correct fixed build.","reach":"internet","title":"Google Chrome: memory bug in Performance lets web page run code","impact":"high","summary":"Google Chrome before 156.0.8078.47 has a use-after-free bug in its Performance component. A remote attacker can run arbitrary code inside the browser sandbox by getting a user to open a crafted HTML page.","category":"runtime","who_cares":["chrome","desktop","chromium"],"confidence":0.7,"needs_auth":"no","worst_case":"Attacker runs code inside the browser sandbox after a victim visits a page.","analyst_note":"Sources conflict on the fixed build (156.0.8078.47 in description, 156.0.8087.47 in products); confirm the correct version against the NVD entry and the Chrome Releases blog.","how_to_check":"Check the installed Chrome version (chrome://version) against the fixed release. The sources disagree on the fixed build number (156.0.8078.47 vs 156.0.8087.47).","needs_analyst":true,"not_affected_if":["already-on-fixed-version"],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.001006,"input_tokens":2941,"output_tokens":1424,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-113344':14A,17A '-2026':13A,16A '156.0.8078.47':28B,71C 'allow':72C 'arbitrari':45B,78C 'attack':42B,75C 'browser':20B,49B 'bug':4A,35B 'chrome':2A,19A,21B,26B,68C 'chromium':22B,88C 'code':11A,46B,79C 'compon':39B 'craft':58B,85C 'cve':12A,15A 'desktop':23B 'execut':77C 'free':34B,63C 'get':52B 'googl':1A,25B,67C 'google':18A 'html':59B,86C 'insid':47B,80C 'let':7A 'medium':91C 'memori':3A 'open':56B 'page':9A,60B,87C 'perform':6A,38B,65C 'prior':69C 'remot':41B,74C 'run':10A,44B 'runtim':24B 'sandbox':50B,82C 'secur':89C 'sever':90C 'use':32B,61C 'use-after-fre':31B 'user':54B 'via':83C 'web':8A","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:19:29+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cvss_by":"134c704f-9b21-4f2e-91b3-4a467353bcc0","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-113344","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113344","severity":null,"published_at":"2026-10-20T22:19:29+00:00","modified_at":"2026-10-21T17:01:55+00:00","first_seen_at":"2026-10-23T21:57:25+00:00","fetched_at":"2026-10-23T22:29:00+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"}