{"id":"CVE-2015-2553","url":"https://www.cyber-defence.io/tools/cve/CVE-2015-2553","generatedAt":"2026-10-27T19:56:30.012Z","title":"The kernel in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT Gold and 8.1, and Windows 10 mishandles junctions during mountpoint creation, which makes…","description":"The kernel in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT Gold and 8.1, and Windows 10 mishandles junctions during mountpoint creation, which makes it easier for local users to gain privileges by leveraging certain sandbox access, aka \"Windows Mount Point Elevation of Privilege Vulnerability.\"","published":"2015-10-14T01:59:08.000Z","lastModified":"2026-06-17T00:24:17.000Z","status":"Modified","sourceIdentifier":"secure@microsoft.com","cvss":{"version":"2.0","score":7.2,"severity":"HIGH","vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C"},"cwe":["CWE-264"],"affected":["microsoft/windows 10","microsoft/windows 7","microsoft/windows 8","microsoft/windows 8.1","microsoft/windows rt","microsoft/windows rt 8.1","microsoft/windows server 2008","microsoft/windows server 2012","microsoft/windows vista"],"epss":{"score":0.03037,"percentile":0.87416,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2015-10-15","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":38474,"kind":"exploit","title":"Microsoft Windows 10 - Sandboxed Mount Reparse Point Creation Mitigation Bypass (MS15-111)","url":"https://www.exploit-db.com/exploits/38474","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/windows/local/38474.txt","file":"exploits/windows/local/38474.txt","published":"2015-10-15","added":"2015-10-15","updated":"2015-10-15","author":"Google Security Research","type":"local","platform":"windows","port":null,"verified":true,"codes":["CVE-2015-2553","MS15-111"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://code.google.com/p/google-security-research/issues/detail?id=486"}]},"verdict":{"level":"urgent","text":"A public exploit is published in Exploit-DB (verified) and the impact is high, while EPSS rates exploitation at 3.0%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use."},"changes":[],"references":[{"url":"http://packetstormsecurity.com/files/133971/Windows-Sandboxed-Mount-Reparse-Point-Creation-Mitigation-Bypass.html","tags":["Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"http://www.securitytracker.com/id/1033805","tags":["Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-111","tags":["Patch","Vendor Advisory"],"source":"secure@microsoft.com"},{"url":"https://www.exploit-db.com/exploits/38474/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"http://packetstormsecurity.com/files/133971/Windows-Sandboxed-Mount-Reparse-Point-Creation-Mitigation-Bypass.html","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1033805","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-111","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/38474/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2015-2553","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."}