{"id":"CVE-2019-0948","aliases":["EUVD-2019-1683","GHSA-r88q-8vv9-3qmg"],"status":"published","title":"Windows Event Viewer Information Disclosure Vulnerability","description":"An information disclosure vulnerability exists in the Windows Event Viewer (eventvwr.msc) when it improperly parses XML input containing a reference to an external entity. An attacker who successfully exploited this vulnerability could read arbitrary files via an XML external entity (XXE) declaration.\nTo exploit the vulnerability, an attacker could create a file containing specially crafted XML content and convince an authenticated user to import the file.\nThe update addresses the vulnerability by modifying the way that the Event Viewer parses XML input.","severity":{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.12672,"percentile":0.96285,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-611"],"published":"2019-06-12T13:49:38Z","modified":"2026-06-17T02:09:16Z","exploits":[{"source":"exploitdb","id":"EDB-40863","title":"Microsoft Event Viewer 1.0 - XML External Entity Injection","type":"local","platform":"windows","date":"2016-12-05","verified":true,"url":"https://www.exploit-db.com/exploits/40863"}],"products":[{"vendor":"microsoft","product":"windows 10 version 1507"},{"vendor":"microsoft","product":"windows 10 version 1607"},{"vendor":"microsoft","product":"windows 10 version 1703"},{"vendor":"microsoft","product":"windows 10 version 1709"},{"vendor":"microsoft","product":"windows 10 version 1709 for 32-bit systems"},{"vendor":"microsoft","product":"windows 10 version 1803"},{"vendor":"microsoft","product":"windows 10 version 1809"},{"vendor":"microsoft","product":"windows 10 version 1903 for 32-bit systems"},{"vendor":"microsoft","product":"windows 10 version 1903 for arm64-based systems"},{"vendor":"microsoft","product":"windows 10 version 1903 for x64-based systems"},{"vendor":"microsoft","product":"windows 7"},{"vendor":"microsoft","product":"windows 7 service pack 1"},{"vendor":"microsoft","product":"windows 8.1"},{"vendor":"microsoft","product":"windows server 2008  service pack 2"},{"vendor":"microsoft","product":"windows server 2008 r2 service pack 1"},{"vendor":"microsoft","product":"windows server 2008 r2 service pack 1 (server core installation)"},{"vendor":"microsoft","product":"windows server 2008 r2 systems service pack 1"},{"vendor":"microsoft","product":"windows server 2008 service pack 2"},{"vendor":"microsoft","product":"windows server 2008 service pack 2 (server core installation)"},{"vendor":"microsoft","product":"windows server 2012"},{"vendor":"microsoft","product":"windows server 2012 (server core installation)"},{"vendor":"microsoft","product":"windows server 2012 r2"},{"vendor":"microsoft","product":"windows server 2012 r2 (server core installation)"},{"vendor":"microsoft","product":"windows server 2016"},{"vendor":"microsoft","product":"windows server 2016 (server core installation)"},{"vendor":"microsoft","product":"windows server 2019"},{"vendor":"microsoft","product":"windows server 2019 (server core installation)"},{"vendor":"microsoft","product":"windows server, version 1803  (server core installation)"},{"vendor":"microsoft","product":"windows server, version 1903 (server core installation)"},{"vendor":"microsoft","product":"windows_10"},{"vendor":"microsoft","product":"windows_7"},{"vendor":"microsoft","product":"windows_8.1"},{"vendor":"microsoft","product":"windows_rt_8.1"},{"vendor":"microsoft","product":"windows_server_2008"},{"vendor":"microsoft","product":"windows_server_2012"},{"vendor":"microsoft","product":"windows_server_2016"},{"vendor":"microsoft","product":"windows_server_2019"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2019-0948","tags":["vendor-advisory"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0948","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-19-641/","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-0948"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-19-641"},{"url":"https://github.com/advisories/GHSA-r88q-8vv9-3qmg"}],"sources":{"cve":[{"id":"CVE-2019-0948","title":"Windows Event Viewer Information Disclosure Vulnerability","description":"An information disclosure vulnerability exists in the Windows Event Viewer (eventvwr.msc) when it improperly parses XML input containing a reference to an external entity. An attacker who successfully exploited this vulnerability could read arbitrary files via an XML external entity (XXE) declaration.\nTo exploit the vulnerability, an attacker could create a file containing specially crafted XML content and convince an authenticated user to import the file.\nThe update addresses the vulnerability by modifying the way that the Event Viewer parses XML input.","status":"published","published":"2019-06-12T13:49:38Z","modified":"2025-05-20T17:49:34.147Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:32:24.110857Z"}],"euvd":[{"id":"EUVD-2019-1683","description":"An information disclosure vulnerability exists in the Windows Event Viewer (eventvwr.msc) when it improperly parses XML input containing a reference to an external entity. An attacker who successfully exploited this vulnerability could read arbitrary files via an XML external entity (XXE) declaration.\nTo exploit the vulnerability, an attacker could create a file containing specially crafted XML content and convince an authenticated user to import the file.\nThe update addresses the vulnerability by modifying the way that the Event Viewer parses XML input.","status":"published","published":"2019-06-12T13:49:38Z","modified":"2025-05-20T17:49:34Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-02T20:32:43.363755Z"}],"ghsa":[{"id":"GHSA-r88q-8vv9-3qmg","title":"An information disclosure vulnerability exists in the Windows Event Viewer (eventvwr.msc) when it...","description":"An information disclosure vulnerability exists in the Windows Event Viewer (eventvwr.msc) when it improperly parses XML input containing a reference to an external entity, aka 'Windows Event Viewer Information Disclosure Vulnerability'.","status":"published","published":"2022-05-24T16:47:49Z","modified":"2025-05-20T18:31:41Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-611"],"updated_at":"2026-11-02T15:02:22.425596Z"}],"nvd":[{"id":"CVE-2019-0948","description":"An information disclosure vulnerability exists in the Windows Event Viewer (eventvwr.msc) when it improperly parses XML input containing a reference to an external entity. An attacker who successfully exploited this vulnerability could read arbitrary files via an XML external entity (XXE) declaration.\nTo exploit the vulnerability, an attacker could create a file containing specially crafted XML content and convince an authenticated user to import the file.\nThe update addresses the vulnerability by modifying the way that the Event Viewer parses XML input.","status":"published","published":"2019-06-12T14:29:01.743Z","modified":"2026-06-17T02:09:16.45Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-611"],"updated_at":"2026-11-02T14:05:16.285679Z"}]}}
