{"id":"CVE-2015-2521","url":"https://www.cyber-defence.io/tools/cve/CVE-2015-2521","generatedAt":"2026-10-27T19:56:07.175Z","title":"Microsoft Excel 2007 SP3, Excel 2010 SP2, Office Compatibility Pack SP3, and Excel Viewer allow remote attackers to execute arbitrary code via a crafted Office document, aka \"Microsoft Office Memory Corruption Vulnerability.\"","description":"Microsoft Excel 2007 SP3, Excel 2010 SP2, Office Compatibility Pack SP3, and Excel Viewer allow remote attackers to execute arbitrary code via a crafted Office document, aka \"Microsoft Office Memory Corruption Vulnerability.\"","published":"2015-09-09T00:59:33.000Z","lastModified":"2026-06-17T00:24:14.000Z","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/excel","microsoft/excel viewer","microsoft/office compatibility pack"],"epss":{"score":0.2769,"percentile":0.98072,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2015-09-16","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":38216,"kind":"exploit","title":"Microsoft Office 2007 - OLESSDirectyEntry.CreateTime Type Confusion","url":"https://www.exploit-db.com/exploits/38216","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/windows/dos/38216.txt","file":"exploits/windows/dos/38216.txt","published":"2015-09-16","added":"2015-09-16","updated":"2015-09-16","author":"Google Security Research","type":"dos","platform":"windows","port":null,"verified":true,"codes":["CVE-2015-2521","OSVDB-127213"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://code.google.com/p/google-security-research/issues/detail?id=465"}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 27.7%, higher than 98% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://www.securitytracker.com/id/1033488","source":"secure@microsoft.com"},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-099","source":"secure@microsoft.com"},{"url":"https://www.exploit-db.com/exploits/38216/","source":"secure@microsoft.com"},{"url":"http://www.securitytracker.com/id/1033488","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-099","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/38216/","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2015-2521","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."}