{"id":"CVE-2026-118308","kind":"vulnerability","aliases":["CVE-2026-118308"],"related":[],"title":"Google Chrome: SVG use-after-free lets a crafted web page run code","description":"Use after free in SVG in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)","summary":"A use-after-free bug in the SVG code of Google Chrome before 156.0.8078.73 can be triggered by a crafted HTML page. A remote attacker may be able to execute arbitrary code outside the browser sandbox.","severity":"high","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["browsers","chrome","endpoints","other"],"not_affected_if":["already-updated-chrome"],"how_to_check":"- Run `chrome://version` in Chrome and compare the version with `156.0.8078.73`\n- On managed fleets, query the installed Chrome version with your endpoint management tool","fix":"- Update Google Chrome to `156.0.8078.73` or later\n- Relaunch the browser after the update so the new version is running","status":"open","published_at":"2026-10-27T23:16:59+00:00","first_seen_at":"2026-10-27T23:29:42+00:00","triaged_at":"2026-10-27T23:32:10+00:00","updated_at":"2026-10-27T23:32:10+00:00","category":"other","confidence":0.6,"triage":{"at":"2026-10-27T23:32:10Z","model":"claude-haiku-5-5","output":{"fix":"- Update Google Chrome to `156.0.8078.73` or later\n- Relaunch the browser after the update so the new version is running","reach":"internet","title":"Google Chrome: SVG use-after-free lets a crafted web page run code","impact":"high","summary":"A use-after-free bug in the SVG code of Google Chrome before 156.0.8078.73 can be triggered by a crafted HTML page. A remote attacker may be able to execute arbitrary code outside the browser sandbox.","category":"other","nicknames":[],"who_cares":["chrome","browsers","endpoints"],"confidence":0.6,"needs_auth":"no","worst_case":"Attacker runs code outside the browser sandbox via a crafted page","analyst_note":"Confirm the fixed version and any in-the-wild exploitation status against the Chrome Releases blog and the NVD entry; sources gave no severity score beyond Chromium's High rating.","how_to_check":"- Run `chrome://version` in Chrome and compare the version with `156.0.8078.73`\n- On managed fleets, query the installed Chrome version with your endpoint management tool","needs_analyst":true,"not_affected_if":["already-updated-chrome"],"who_is_affected":"Any device running Google Chrome before 156.0.8078.73 is exposed when a user visits a crafted page. Exposure does not depend on server configuration, so the browser fleet is the thing to check. Devices already on 156.0.8078.73 or later are not affected.","user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000603,"input_tokens":3293,"output_tokens":547,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-118308':17A,20A '-2026':16A,19A '156.0.8078.73':38B,71C 'abl':52B 'allow':72C 'arbitrari':55B,79C 'attack':49B,75C 'browser':21B,59B 'bug':29B 'chrome':2A,22B,36B,68C 'chromium':89C 'code':14A,33B,56B,80C 'craft':10A,44B,86C 'cve':15A,18A 'endpoint':23B 'execut':54B,78C 'free':7A,28B,63C 'googl':1A,35B,67C 'high':92C 'html':45B,87C 'let':8A 'may':50B 'outsid':57B,81C 'page':12A,46B,88C 'potenti':77C 'prior':69C 'remot':48B,74C 'run':13A 'sandbox':60B,83C 'secur':90C 'sever':91C 'svg':3A,32B,65C 'trigger':41B 'use':5A,26B,61C 'use-after-fre':4A,25B 'via':84C 'web':11A","nicknames":[],"mitigations":[],"who_affected":"Any device running Google Chrome before 156.0.8078.73 is exposed when a user visits a crafted page. Exposure does not depend on server configuration, so the browser fleet is the thing to check. Devices already on 156.0.8078.73 or later are not affected.","tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-27T23:16:59+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-118308","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-118308","severity":null,"published_at":"2026-10-27T23:16:59+00:00","modified_at":"2026-10-27T23:16:59+00:00","first_seen_at":"2026-10-27T23:29:42+00:00","fetched_at":"2026-10-27T23:29:42+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"}