{"id":"CVE-2022-3075","kind":"vulnerability","aliases":["CVE-2022-3075"],"related":[],"title":"Insufficient data validation in Mojo in Google Chrome prior to 105.0.5195.102 allowed a remote attacker who had…","description":"Google Chromium Mojo contains an insufficient data validation vulnerability that allows a remote attacker, who has compromised the renderer process, to potentially perform a sandbox escape via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.\n\nCISA required action: Apply updates per vendor instructions.","summary":"Chromium's Mojo inter-process communication layer does not validate some data properly. A remote attacker who has already compromised the renderer process can escape the browser sandbox using a crafted HTML page.","severity":"critical","cvss":9.6,"epss":0.05846,"exploited":true,"exploited_at":"2022-09-08T00:00:00+00:00","products":[{"name":"Google Chromium Mojo","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"google chrome","fixed":["105.0.5195.102"],"affected":"< 105.0.5195.102","ecosystem":"vendor"},{"name":"fedoraproject fedora","fixed":[],"affected":"= 37","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["browsers","chrome","chromium","edge","exploited","opera","other"],"not_affected_if":["unknown"],"how_to_check":"Check the installed browser version against the vendor's fixed release for CVE-2022-3075; unknown which exact version the sources list as fixed.","fix":"Update Google Chrome, Microsoft Edge, Opera and other Chromium-based browsers to the vendor's patched release.","status":"open","published_at":"2022-09-08T00:00:00+00:00","first_seen_at":"2026-10-23T19:11:52+00:00","triaged_at":"2026-10-23T21:10:40+00:00","updated_at":"2026-10-23T22:29:04+00:00","category":"other","confidence":0.6,"triage":{"at":"2026-10-23T21:10:40Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome, Microsoft Edge, Opera and other Chromium-based browsers to the vendor's patched release.","reach":"internet","impact":"high","summary":"Chromium's Mojo inter-process communication layer does not validate some data properly. A remote attacker who has already compromised the renderer process can escape the browser sandbox using a crafted HTML page.","category":"other","who_cares":["chrome","edge","opera","chromium","browsers"],"confidence":0.6,"needs_auth":"no","worst_case":"Attacker escapes browser sandbox after renderer compromise, reaching the host system.","analyst_note":"Sources give no fixed version numbers; check the Chrome release notes and the CISA KEV entry for the patched build.","how_to_check":"Check the installed browser version against the vendor's fixed release for CVE-2022-3075; unknown which exact version the sources list as fixed.","needs_analyst":true,"not_affected_if":["unknown"],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000477,"input_tokens":2909,"output_tokens":372,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2022':17A,20A '-3075':18A,21A '105.0.5195.102':11A 'action':123C 'affect':103C 'allow':12A,79C 'alreadi':54B 'appli':124C 'attack':15A,51B,82C 'browser':29B,62B,106C 'chrome':8A,26A,30B,116C 'chromium':23A,31B,35B,70C,109C 'cisa':121C 'communic':41B 'compromis':55B,85C 'contain':72C 'could':102C 'craft':66B,97C 'cve':16A,19A 'data':2A,47B,75C 'edg':32B,118C 'escap':60B,94C 'exploit':33B 'fedora':28A 'fedoraproject':27A 'googl':7A,69C,115C 'google':22A,25A 'html':67B,98C 'includ':110C 'instruct':128C 'insuffici':1A,74C 'inter':39B 'inter-process':38B 'layer':42B 'limit':113C 'microsoft':117C 'mojo':5A,24A,37B,71C 'multipl':104C 'opera':34B,120C 'page':68B,99C 'per':126C 'perform':91C 'potenti':90C 'prior':9A 'process':40B,58B,88C 'proper':48B 'remot':14A,50B,81C 'render':57B,87C 'requir':122C 'sandbox':63B,93C 'updat':125C 'use':64B 'util':108C 'valid':3A,45B,76C 'vendor':127C 'via':95C 'vulner':77C,101C 'web':105C","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2022-09-08T00:00:00+00:00","kev":{"dateAdded":"2022-09-08","dueDate":"2022-09-29","requiredAction":"Apply updates per vendor instructions.","knownRansomwareCampaignUse":"Unknown"},"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","cvss_by":"nvd@nist.gov","poc_count":0,"sources":[{"source":"kev","external_id":"CVE-2022-3075","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2022-3075","severity":null,"published_at":"2022-09-08T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:52+00:00","fetched_at":"2026-10-25T11:39:16+00:00","note":null},{"source":"epss","external_id":"CVE-2022-3075","url":"https://api.first.org/data/v1/epss?cve=CVE-2022-3075","severity":null,"published_at":null,"modified_at":null,"first_seen_at":"2026-10-23T19:13:45+00:00","fetched_at":"2026-10-23T19:13:45+00:00","note":null},{"source":"nvd","external_id":"CVE-2022-3075","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-3075","severity":null,"published_at":"2022-09-26T16:15:13+00:00","modified_at":"2026-06-17T04:58:46+00:00","first_seen_at":"2026-10-23T22:29:04+00:00","fetched_at":"2026-10-23T22:29:04+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"}