{"id":"CVE-2023-32046","kind":"vulnerability","aliases":["CVE-2023-32046"],"related":[],"title":"Windows MSHTML Platform Elevation of Privilege Vulnerability","description":"Microsoft Windows MSHTML Platform contains an unspecified vulnerability that allows for privilege escalation.\n\nCISA required action: Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.","summary":"Microsoft Windows MSHTML Platform, the browser rendering engine used by Windows components, has a privilege escalation flaw. A local attacker who already has code running on the machine can gain higher privileges, such as SYSTEM.","severity":"high","cvss":7.8,"epss":null,"exploited":true,"exploited_at":"2023-07-11T00:00:00+00:00","products":[{"name":"Microsoft Windows","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"microsoft windows 10 1507","fixed":["10.0.10240.20048"],"affected":"< 10.0.10240.20048","ecosystem":"vendor"},{"name":"microsoft windows 10 1607","fixed":["10.0.14393.6085"],"affected":"< 10.0.14393.6085","ecosystem":"vendor"},{"name":"microsoft windows 10 1809","fixed":["10.0.17763.4645"],"affected":"< 10.0.17763.4645","ecosystem":"vendor"},{"name":"microsoft windows 10 21h2","fixed":["10.0.19041.3208"],"affected":"< 10.0.19041.3208","ecosystem":"vendor"},{"name":"microsoft windows 10 22h2","fixed":["10.0.19045.3208"],"affected":"< 10.0.19045.3208","ecosystem":"vendor"},{"name":"microsoft windows 11 21h2","fixed":["10.0.22000.2176"],"affected":"< 10.0.22000.2176","ecosystem":"vendor"},{"name":"microsoft windows 11 22h2","fixed":["10.0.22621.1992"],"affected":"< 10.0.22621.1992","ecosystem":"vendor"},{"name":"microsoft windows server 2008","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"microsoft windows server 2008","fixed":[],"affected":"= r2","ecosystem":"vendor"},{"name":"microsoft windows server 2012","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"microsoft windows server 2012","fixed":[],"affected":"= r2","ecosystem":"vendor"},{"name":"microsoft windows server 2016","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"microsoft windows server 2019","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"microsoft windows server 2022","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["exploited","infrastructure","microsoft-windows","windows"],"not_affected_if":["patched-windows"],"how_to_check":null,"fix":"Apply the Microsoft Windows security update for CVE-2023-32046 per vendor instructions; the sources do not name the KB or build numbers.\nIf updates are unavailable, CISA says to discontinue use of the affected product.","status":"open","published_at":"2023-07-11T00:00:00+00:00","first_seen_at":"2026-10-23T19:11:51+00:00","triaged_at":"2026-10-23T21:04:57+00:00","updated_at":"2026-10-23T22:29:04+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-10-23T21:04:57Z","model":"claude-haiku-5-5","output":{"fix":"Apply the Microsoft Windows security update for CVE-2023-32046 per vendor instructions; the sources do not name the KB or build numbers.\nIf updates are unavailable, CISA says to discontinue use of the affected product.","reach":"local","impact":"high","summary":"Microsoft Windows MSHTML Platform, the browser rendering engine used by Windows components, has a privilege escalation flaw. A local attacker who already has code running on the machine can gain higher privileges, such as SYSTEM.","category":"infrastructure","who_cares":["windows","microsoft-windows"],"confidence":0.6,"needs_auth":"yes","worst_case":"Local attacker escalates privileges to SYSTEM on the Windows machine.","analyst_note":"Find the Microsoft Security Update Guide entry for CVE-2023-32046 to confirm affected Windows builds, the fixed KB numbers, and the exact attack prerequisites.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":["patched-windows"],"user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000481,"input_tokens":2802,"output_tokens":401,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2023':9A,12A '-32046':10A,13A '10':18A,22A,26A,30A,34A '11':38A,42A '1507':19A '1607':23A '1809':27A '2008':47A,51A '2012':55A,59A '2016':63A '2019':67A '2022':71A '21h2':31A,39A '22h2':35A,43A 'action':128C 'allow':122C 'alreadi':99B 'appli':129C 'attack':97B 'browser':83B 'cisa':126C 'code':101B 'compon':89B 'contain':117C 'cve':8A,11A 'discontinu':135C 'elev':4A 'engin':85B 'escal':93B,125C 'exploit':72B 'flaw':94B 'gain':107B 'higher':108B 'infrastructur':73B 'instruct':133C 'local':96B 'machin':105B 'microsoft':14A,16A,20A,24A,28A,32A,36A,40A,44A,48A,52A,56A,60A,64A,68A,75B,78B,113C 'microsoft-window':74B 'mshtml':2A,80B,115C 'per':131C 'platform':3A,81B,116C 'privileg':6A,92B,109B,124C 'product':139C 'render':84B 'requir':127C 'run':102B 'server':46A,50A,54A,58A,62A,66A,70A 'system':112B 'unavail':143C 'unspecifi':119C 'updat':130C,141C 'use':86B,136C 'vendor':132C 'vulner':7A,120C 'window':1A,76B,77B,79B,88B,114C 'windows':15A,17A,21A,25A,29A,33A,37A,41A,45A,49A,53A,57A,61A,65A,69A","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2023-07-11T00:00:00+00:00","kev":{"dateAdded":"2023-07-11","dueDate":"2023-08-01","requiredAction":"Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.","knownRansomwareCampaignUse":"Unknown"},"cvss_vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cvss_by":"secure@microsoft.com","poc_count":0,"sources":[{"source":"kev","external_id":"CVE-2023-32046","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2023-32046","severity":null,"published_at":"2023-07-11T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:51+00:00","fetched_at":"2026-10-25T20:35:34+00:00","note":null},{"source":"nvd","external_id":"CVE-2023-32046","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-32046","severity":null,"published_at":"2023-07-11T18:15:13+00:00","modified_at":"2026-06-17T05:57:57+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"}