{"id":"CVE-2015-2504","url":"https://www.cyber-defence.io/tools/cve/CVE-2015-2504","generatedAt":"2026-11-05T05:57:21.420Z","title":"Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, 4.5.2, and 4.6 improperly counts objects before performing an array copy, which allows remote attackers to (1) execute arbitrary code via a crafted XAML browser application (XBAP) or (2)…","description":"Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, 4.5.2, and 4.6 improperly counts objects before performing an array copy, which allows remote attackers to (1) execute arbitrary code via a crafted XAML browser application (XBAP) or (2) bypass Code Access Security restrictions via a crafted .NET Framework application, aka \".NET Elevation of Privilege Vulnerability.\"","published":"2015-09-09T00:59:17.000Z","lastModified":"2026-06-17T00:24:13.000Z","status":"Modified","sourceIdentifier":"secure@microsoft.com","cvss":{"version":"2.0","score":9.3,"severity":"HIGH","vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C"},"cwe":["CWE-119"],"affected":["microsoft/.net framework"],"epss":{"score":0.2102,"percentile":0.97577,"date":"2026-11-04","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 21.0%, higher than 98% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://www.securityfocus.com/bid/76560","source":"secure@microsoft.com"},{"url":"http://www.securitytracker.com/id/1033493","source":"secure@microsoft.com"},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-101","source":"secure@microsoft.com"},{"url":"http://www.securityfocus.com/bid/76560","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1033493","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-101","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2015-2504","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."}