{"id":"CVE-2015-2558","url":"https://www.cyber-defence.io/tools/cve/CVE-2015-2558","generatedAt":"2026-11-05T05:51:10.926Z","title":"Use-after-free vulnerability in Microsoft Excel 2007 SP3, Excel 2010 SP2, Excel 2013 SP1, Excel 2013 RT SP1, Excel 2016, Excel for Mac 2011, Excel 2016 for Mac, Excel Viewer, Office Compatibility Pack SP3, and Excel Services on SharePoint Server 2007…","description":"Use-after-free vulnerability in Microsoft Excel 2007 SP3, Excel 2010 SP2, Excel 2013 SP1, Excel 2013 RT SP1, Excel 2016, Excel for Mac 2011, Excel 2016 for Mac, Excel Viewer, Office Compatibility Pack SP3, and Excel Services on SharePoint Server 2007 SP3, 2010 SP2, and 2013 SP1 allows remote attackers to execute arbitrary code via a long fileVersion element in an Office document, aka \"Microsoft Office Memory Corruption Vulnerability.\"","published":"2015-10-14T01:59:13.000Z","lastModified":"2026-06-17T00:24:18.000Z","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":[],"affected":["microsoft/excel","microsoft/excel for mac","microsoft/excel viewer","microsoft/office compatibility pack","microsoft/office sharepoint server","microsoft/sharepoint server"],"epss":{"score":0.23007,"percentile":0.97761,"date":"2026-11-04","history":[{"date":"2026-10-12","score":0.23007,"percentile":0.97711}]},"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 23.0%, higher than 98% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://www.securitytracker.com/id/1033803","tags":["Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"http://www.zerodayinitiative.com/advisories/ZDI-15-516","tags":["Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-110","source":"secure@microsoft.com"},{"url":"http://www.securitytracker.com/id/1033803","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.zerodayinitiative.com/advisories/ZDI-15-516","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-110","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2015-2558","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."}