{"id":"CVE-2015-0016","kind":"vulnerability","aliases":["CVE-2015-0016"],"related":[],"title":"Directory traversal vulnerability in the TS WebProxy (aka TSWbPrxy) component in Microsoft Windows Vista SP2,…","description":"Directory traversal vulnerability in the TS WebProxy (aka TSWbPrxy) component in Microsoft Windows Vista SP2, Windows 7 SP1, Windows Server 2008 R2 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allows remote attackers to gain privileges via a crafted pathname in an executable file, as demonstrated by a transition from Low Integrity to Medium Integrity, aka \"Directory Traversal Elevation of Privilege Vulnerability.\"","summary":"A directory traversal flaw in the TS WebProxy (TSWbPrxy) component of Microsoft Windows lets a remote attacker escalate privileges. CISA lists it as actively exploited in the wild.","severity":"critical","cvss":9.3,"epss":0.75777,"exploited":true,"exploited_at":"2022-05-25T00:00:00+00:00","products":[{"name":"Microsoft Windows","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"microsoft windows 7","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"microsoft windows 8","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"microsoft windows 8.1","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"microsoft windows rt","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"microsoft windows rt 8.1","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 vista","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["exploited","infrastructure","tswebproxy","windows"],"not_affected_if":["unknown"],"how_to_check":null,"fix":"Apply the Microsoft Windows updates per the vendor instructions referenced by CISA; the specific patch KB is unknown from the sources.","status":"open","published_at":"2015-01-13T22:59:07+00:00","first_seen_at":"2026-10-23T19:11:52+00:00","triaged_at":"2026-10-23T21:13:05+00:00","updated_at":"2026-10-23T22:29:04+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-10-23T21:13:05Z","model":"claude-haiku-5-5","output":{"fix":"Apply the Microsoft Windows updates per the vendor instructions referenced by CISA; the specific patch KB is unknown from the sources.","reach":"network","impact":"high","summary":"A directory traversal flaw in the TS WebProxy (TSWbPrxy) component of Microsoft Windows lets a remote attacker escalate privileges. CISA lists it as actively exploited in the wild.","category":"infrastructure","who_cares":["windows","tswebproxy"],"confidence":0.6,"needs_auth":"unknown","worst_case":"Remote attacker escalates privileges on the Windows host, possibly gaining system control.","analyst_note":"Find the affected Windows builds, the MS15-004 bulletin or equivalent KB, and whether TSWbPrxy is enabled by default at https://www.cisa.gov/known-exploited-vulnerabilities-catalog.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":["unknown"],"user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000474,"input_tokens":2839,"output_tokens":380,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-0016':18A,21A '-2015':17A,20A '2008':43A,107C '2012':47A,51A,116C '7':26A,103C '8':29A,111C '8.1':32A,39A,113C,125C 'activ':82B 'aka':8A,94C,151C 'allow':126C 'attack':75B,128C 'cisa':78B 'compon':10A,68B,96C 'craft':134C 'cve':16A,19A 'demonstr':141C 'directori':1A,60B,87C,152C 'elev':154C 'escal':76B 'execut':138C 'exploit':55B,83B 'file':139C 'flaw':62B 'gain':130C 'gold':117C,123C 'infrastructur':56B 'integr':147C,150C 'let':72B 'list':79B 'low':146C 'medium':149C 'microsoft':12A,22A,24A,27A,30A,33A,36A,40A,44A,48A,52A,70B,98C 'pathnam':135C 'privileg':77B,131C,156C 'r2':108C,119C 'remot':74B,127C 'rt':35A,38A,122C 'server':42A,46A,50A,106C,115C 'sp1':104C,109C 'sp2':15A,101C 'transit':144C 'travers':2A,61B,88C,153C 'ts':6A,65B,92C 'tswbprxi':9A,67B,95C 'tswebproxi':57B 'via':132C 'vista':14A,54A,100C 'vulner':3A,89C,157C 'webproxi':7A,66B,93C 'wild':86B 'window':13A,58B,71B,99C,102C,105C,110C,112C,114C,121C 'windows':23A,25A,28A,31A,34A,37A,41A,45A,49A,53A","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2015-01-13T22:59:07+00:00","kev":{"dateAdded":"2022-05-25","dueDate":"2022-06-15","requiredAction":"Apply updates per vendor instructions.","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":"nvd@nist.gov","poc_count":0,"sources":[{"source":"kev","external_id":"CVE-2015-0016","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2015-0016","severity":null,"published_at":"2022-05-25T00:00:00+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-2015-0016","url":"https://api.first.org/data/v1/epss?cve=CVE-2015-0016","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-2015-0016","url":"https://nvd.nist.gov/vuln/detail/CVE-2015-0016","severity":null,"published_at":"2015-01-13T22:59:07+00:00","modified_at":"2026-06-17T00:19:25+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"}