{"id":"CVE-2025-33053","kind":"vulnerability","aliases":["CVE-2025-33053"],"related":[],"title":"External control of file name or path in Internet Shortcut Files allows an unauthorized attacker to execute code…","description":"Microsoft Windows contains an external control of file name or path vulnerability that could allow an attacker to execute code from a remote WebDAV location specified by the WorkingDirectory attribute of Internet Shortcut files.\n\nCISA required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","summary":"Windows can be tricked into running code from a remote WebDAV share named in the WorkingDirectory attribute of an Internet Shortcut (.url) file. An attacker who gets a victim to open such a shortcut can run code on the victim's machine.","severity":"high","cvss":8.8,"epss":null,"exploited":true,"exploited_at":"2025-06-10T00:00:00+00:00","products":[{"name":"Microsoft Windows","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"microsoft windows 10 1507","fixed":["10.0.10240.21034"],"affected":"< 10.0.10240.21034","ecosystem":"vendor"},{"name":"microsoft windows 10 1607","fixed":["10.0.14393.8148"],"affected":"< 10.0.14393.8148","ecosystem":"vendor"},{"name":"microsoft windows 10 1809","fixed":["10.0.17763.7434"],"affected":"< 10.0.17763.7434","ecosystem":"vendor"},{"name":"microsoft windows 10 21h2","fixed":["10.0.19044.5965"],"affected":"< 10.0.19044.5965","ecosystem":"vendor"},{"name":"microsoft windows 10 22h2","fixed":["10.0.19045.5965"],"affected":"< 10.0.19045.5965","ecosystem":"vendor"},{"name":"microsoft windows 11 22h2","fixed":["10.0.22621.5472"],"affected":"< 10.0.22621.5472","ecosystem":"vendor"},{"name":"microsoft windows 11 23h2","fixed":["10.0.22631.5472"],"affected":"< 10.0.22631.5472","ecosystem":"vendor"},{"name":"microsoft windows 11 24h2","fixed":["10.0.26100.4270"],"affected":"< 10.0.26100.4270","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":["10.0.14393.8148"],"affected":"< 10.0.14393.8148","ecosystem":"vendor"},{"name":"microsoft windows server 2019","fixed":["10.0.17763.7434"],"affected":"< 10.0.17763.7434","ecosystem":"vendor"},{"name":"microsoft windows server 2022","fixed":["10.0.20348.3745"],"affected":"< 10.0.20348.3745","ecosystem":"vendor"},{"name":"microsoft windows server 2022 23h2","fixed":["10.0.25398.1665"],"affected":"< 10.0.25398.1665","ecosystem":"vendor"},{"name":"microsoft windows server 2025","fixed":["10.0.26100.4270"],"affected":"< 10.0.26100.4270","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["exploited","infrastructure","microsoft-windows","windows"],"not_affected_if":["unknown"],"how_to_check":null,"fix":"Apply the Microsoft update for CVE-2025-33053 per vendor instructions; if no mitigation is available, discontinue use of the affected product (per CISA KEV guidance).","status":"open","published_at":"2025-06-10T00:00:00+00:00","first_seen_at":"2026-10-23T19:11:51+00:00","triaged_at":"2026-10-23T20:46:57+00:00","updated_at":"2026-10-23T22:29:05+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-10-23T20:46:57Z","model":"claude-haiku-5-5","output":{"fix":"Apply the Microsoft update for CVE-2025-33053 per vendor instructions; if no mitigation is available, discontinue use of the affected product (per CISA KEV guidance).","reach":"network","summary":"Windows can be tricked into running code from a remote WebDAV share named in the WorkingDirectory attribute of an Internet Shortcut (.url) file. An attacker who gets a victim to open such a shortcut can run code on the victim's machine.","category":"infrastructure","who_cares":["windows","microsoft-windows"],"confidence":0.6,"needs_auth":"no","worst_case":"Attacker runs arbitrary code on the Windows machine after the user opens a malicious shortcut.","analyst_note":"Sources do not list affected or fixed Windows builds or a check command; find the Microsoft Security Response Center advisory for CVE-2025-33053 and the affected build list.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":["unknown"],"user_interaction":"yes","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000445,"input_tokens":2551,"output_tokens":380,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-01':190C '-2025':20A,23A '-33053':21A,24A '10':29A,33A,37A,41A,45A '11':49A,53A,57A '1507':30A '1607':34A '1809':38A '2008':62A,66A '2012':70A,74A '2016':78A '2019':82A '2022':86A,90A '2025':95A '21h2':42A '22':189C '22h2':46A,50A '23h2':54A,91A '24h2':58A 'action':180C 'allow':12A,158C 'appli':181C 'applic':187C 'attack':15A,126B,160C 'attribut':118B,173C 'bod':188C 'cisa':178C 'cloud':193C 'code':18A,108B,138B,163C 'contain':146C 'control':2A,149C 'could':157C 'cve':19A,22A 'discontinu':196C 'execut':17A,162C 'exploit':96B 'extern':1A,148C 'file':4A,11A,124B,151C,177C 'follow':186C 'get':128B 'guidanc':191C 'infrastructur':97B 'instruct':185C 'internet':9A,121B,175C 'locat':168C 'machin':143B 'microsoft':25A,27A,31A,35A,39A,43A,47A,51A,55A,59A,63A,67A,71A,75A,79A,83A,87A,92A,99B,144C 'microsoft-window':98B 'mitig':182C,202C 'name':5A,114B,152C 'open':132B 'path':7A,154C 'per':183C 'product':200C 'remot':111B,166C 'requir':179C 'run':107B,137B 'server':61A,65A,69A,73A,77A,81A,85A,89A,94A 'servic':194C 'share':113B 'shortcut':10A,122B,135B,176C 'specifi':169C 'trick':105B 'unauthor':14A 'unavail':204C 'url':123B 'use':197C 'vendor':184C 'victim':130B,141B 'vulner':155C 'webdav':112B,167C 'window':100B,101B,102B,145C 'windows':26A,28A,32A,36A,40A,44A,48A,52A,56A,60A,64A,68A,72A,76A,80A,84A,88A,93A 'workingdirectori':117B,172C","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2025-06-10T00:00:00+00:00","kev":{"dateAdded":"2025-06-10","dueDate":"2025-07-01","requiredAction":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","knownRansomwareCampaignUse":"Unknown"},"cvss_vector":"CVSS:3.1/AV:N/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-2025-33053","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2025-33053","severity":null,"published_at":"2025-06-10T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:51+00:00","fetched_at":"2026-10-25T12:39:22+00:00","note":null},{"source":"nvd","external_id":"CVE-2025-33053","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-33053","severity":null,"published_at":"2025-06-10T17:22:18+00:00","modified_at":"2026-06-17T09:13:01+00:00","first_seen_at":"2026-10-23T22:29:05+00:00","fetched_at":"2026-10-23T22:29:05+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"}