{"id":"CVE-2026-113212","kind":"vulnerability","aliases":["CVE-2026-113212"],"related":[],"title":"Chrome: PDF viewer memory corruption lets crafted HTML run code","description":"Memory corruption in PDF in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to potentially via a crafted HTML page. (Chromium security severity: High)","summary":"A memory corruption bug in the PDF component of Google Chrome before 156.0.8078.47 can be triggered by a crafted HTML page. Per the Chromium advisory summary, a remote attacker may use it to potentially escape or compromise the browser; the exact outcome is not stated in the sources.","severity":"high","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["browser","chrome","desktop","endpoints","runtime"],"not_affected_if":["chrome-156.0.8078.47-or-later"],"how_to_check":"- Run `chrome://version` in Chrome and compare the version with `156.0.8078.47`\n- On managed fleets, check the installed Chrome version with the endpoint management tool","fix":"- Update Google Chrome to `156.0.8078.47` or later\n- Restart the browser after the update so the new version is running","status":"open","published_at":"2026-10-20T22:19:14+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","triaged_at":"2026-10-25T05:04:10+00:00","updated_at":"2026-10-25T05:04:10+00:00","category":"runtime","confidence":0.6,"triage":{"at":"2026-10-25T05:04:10Z","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 new version is running","reach":"internet","title":"Chrome: PDF viewer memory corruption lets crafted HTML run code","impact":"high","summary":"A memory corruption bug in the PDF component of Google Chrome before 156.0.8078.47 can be triggered by a crafted HTML page. Per the Chromium advisory summary, a remote attacker may use it to potentially escape or compromise the browser; the exact outcome is not stated in the sources.","category":"runtime","nicknames":[],"who_cares":["chrome","browser","desktop","endpoints"],"confidence":0.6,"needs_auth":"no","worst_case":"Remote attacker gets code execution in the browser via crafted page","analyst_note":"Check the Chrome Releases blog and the Chromium bug entry linked from the NVD record for the exact impact and whether the exploit escapes the sandbox.","how_to_check":"- Run `chrome://version` in Chrome and compare the version with `156.0.8078.47`\n- On managed fleets, check the installed Chrome version with the endpoint management tool","needs_analyst":true,"not_affected_if":["chrome-156.0.8078.47-or-later"],"who_is_affected":"Any user or machine running Google Chrome before 156.0.8078.47 who opens untrusted web pages is potentially exposed, since the trigger is a crafted HTML page. Machines on managed Chrome versions that are already at or above the fixed release can skip it. The sources do not say whether Chromium-based browsers other than Chrome are affected.","user_interaction":"yes","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000628,"input_tokens":3282,"output_tokens":599,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-113212':13A,16A '-2026':12A,15A '156.0.8078.47':34B,79C 'advisori':46B 'allow':80C 'attack':50B,83C 'browser':17B,60B 'bug':25B 'chrome':1A,18B,32B,76C 'chromium':45B,91C 'code':10A 'compon':29B 'compromis':58B 'corrupt':5A,24B,71C 'craft':7A,40B,88C 'cve':11A,14A 'desktop':19B 'endpoint':20B 'escap':56B 'exact':62B 'googl':31B,75C 'high':94C 'html':8A,41B,89C 'let':6A 'may':51B 'memori':4A,23B,70C 'outcom':63B 'page':42B,90C 'pdf':2A,28B,73C 'per':43B 'potenti':55B,85C 'prior':77C 'remot':49B,82C 'run':9A 'runtim':21B 'secur':92C 'sever':93C 'sourc':69B 'state':66B 'summari':47B 'trigger':37B 'use':52B 'via':86C 'viewer':3A","nicknames":[],"mitigations":[],"who_affected":"Any user or machine running Google Chrome before 156.0.8078.47 who opens untrusted web pages is potentially exposed, since the trigger is a crafted HTML page. Machines on managed Chrome versions that are already at or above the fixed release can skip it. The sources do not say whether Chromium-based browsers other than Chrome are affected.","tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:19:14+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-113212","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113212","severity":null,"published_at":"2026-10-20T22:19:14+00:00","modified_at":"2026-10-21T14:27:19+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"}