{"id":"CVE-2019-0555","url":"https://www.cyber-defence.io/tools/cve/CVE-2019-0555","generatedAt":"2026-10-28T22:20:57.098Z","title":"An elevation of privilege vulnerability exists in the Microsoft XmlDocument class that could allow an attacker to escape from the AppContainer sandbox in the browser, aka \"Microsoft XmlDocument Elevation of Privilege Vulnerability.\" This affects Windows…","description":"An elevation of privilege vulnerability exists in the Microsoft XmlDocument class that could allow an attacker to escape from the AppContainer sandbox in the browser, aka \"Microsoft XmlDocument Elevation of Privilege Vulnerability.\" This affects Windows Server 2012 R2, Windows RT 8.1, Windows Server 2012, Windows Server 2019, Windows Server 2016, Windows 8.1, Windows 10, Windows 10 Servers.","published":"2019-01-08T21:29:01.000Z","lastModified":"2026-06-17T02:08:24.000Z","status":"Modified","sourceIdentifier":"secure@microsoft.com","cvss":{"version":"3.0","score":7.8,"severity":"HIGH","vector":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H"},"cwe":["CWE-862"],"affected":["microsoft/windows 10","microsoft/windows 8.1","microsoft/windows rt 8.1","microsoft/windows server 2012","microsoft/windows server 2016","microsoft/windows server 2019"],"epss":{"score":0.02668,"percentile":0.85665,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.03741,"percentile":0.89381},{"date":"2026-09-22","score":0.02668,"percentile":0.85088}]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2019-01-16","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":46185,"kind":"exploit","title":"Microsoft Windows 10 - XmlDocument Insecure Sharing Privilege Escalation","url":"https://www.exploit-db.com/exploits/46185","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/windows/local/46185.txt","file":"exploits/windows/local/46185.txt","published":"2019-01-16","added":"2019-01-16","updated":"2019-01-16","author":"Google Security Research","type":"local","platform":"windows","port":null,"verified":true,"codes":["CVE-2019-0555"],"tags":"Local","aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://bugs.chromium.org/p/project-zero/issues/detail?id=1698"}]},"verdict":{"level":"urgent","text":"A public exploit is published in Exploit-DB (verified) and the impact is high, while EPSS rates exploitation at 2.7%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use."},"changes":[],"references":[{"url":"http://www.securityfocus.com/bid/106395","tags":["Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0555","tags":["Patch","Vendor Advisory"],"source":"secure@microsoft.com"},{"url":"https://www.exploit-db.com/exploits/46185/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"http://www.securityfocus.com/bid/106395","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0555","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/46185/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-0555","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}