{"id":"CVE-2026-113146","kind":"vulnerability","aliases":["CVE-2026-113146"],"related":[],"title":"Chrome: memory corruption in PerformanceAPIs lets a web page run code","description":"Memory corruption in PerformanceAPIs in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)","summary":"A memory corruption flaw in the PerformanceAPIs component of Google Chrome before 156.0.8078.47 can be triggered by a crafted HTML page. An attacker who lures a user to that page can execute arbitrary code inside the browser sandbox.","severity":"high","cvss":8.8,"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","desktop","runtime"],"not_affected_if":["already-on-156.0.8078.47-or-later"],"how_to_check":"Run chrome://version in the browser and compare the version with 156.0.8078.47.","fix":"Update Google Chrome to 156.0.8078.47 or later.","status":"open","published_at":"2026-10-20T22:19:06+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","triaged_at":"2026-10-23T22:36:51+00:00","updated_at":"2026-10-23T22:36:51+00:00","category":"runtime","confidence":0.8,"triage":{"at":"2026-10-23T22:36:51Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome to 156.0.8078.47 or later.","reach":"internet","title":"Chrome: memory corruption in PerformanceAPIs lets a web page run code","impact":"medium","summary":"A memory corruption flaw in the PerformanceAPIs component of Google Chrome before 156.0.8078.47 can be triggered by a crafted HTML page. An attacker who lures a user to that page can execute arbitrary code inside the browser sandbox.","category":"runtime","who_cares":["chrome","desktop","browsers"],"confidence":0.8,"needs_auth":"no","worst_case":"code runs inside the browser sandbox after the user visits a page","analyst_note":"","how_to_check":"Run chrome://version in the browser and compare the version with 156.0.8078.47.","needs_analyst":false,"not_affected_if":["already-on-156.0.8078.47-or-later"],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"unknown"},"cost_usd":0.000471,"input_tokens":2953,"output_tokens":352,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-113146':14A,17A '-2026':13A,16A '156.0.8078.47':36B,71C 'allow':72C 'arbitrari':56B,79C 'attack':46B,75C 'browser':20B,60B 'chrome':1A,19A,21B,34B,68C 'chromium':89C 'code':11A,57B,80C 'compon':31B 'corrupt':3A,26B,63C 'craft':42B,86C 'cve':12A,15A 'desktop':22B 'execut':55B,78C 'flaw':27B 'googl':33B,67C 'google':18A 'html':43B,87C 'insid':58B,81C 'let':6A 'lure':48B 'medium':92C 'memori':2A,25B,62C 'page':9A,44B,53B,88C 'performanceapi':5A,30B,65C 'potenti':77C 'prior':69C 'remot':74C 'run':10A 'runtim':23B 'sandbox':61B,83C 'secur':90C 'sever':91C 'trigger':39B 'user':50B 'via':84C 'web':8A","nicknames":[],"mitigations":[],"who_affected":null,"tier":"B","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:H/A:H","cvss_by":"134c704f-9b21-4f2e-91b3-4a467353bcc0","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-113146","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113146","severity":null,"published_at":"2026-10-20T22:19:06+00:00","modified_at":"2026-10-22T23:18:27+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"}