{"id":"CVE-2018-0802","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-0802","generatedAt":"2026-10-28T21:18:45.014Z","title":"Microsoft Office Memory Corruption Vulnerability","description":"Equation Editor in Microsoft Office 2007, Microsoft Office 2010, Microsoft Office 2013, and Microsoft Office 2016 allow a remote code execution vulnerability due to the way objects are handled in memory, aka \"Microsoft Office Memory Corruption Vulnerability\". This CVE is unique from CVE-2018-0797 and CVE-2018-0812.","published":"2018-01-10T01:29:01.000Z","lastModified":"2026-06-17T01:31:41.000Z","status":"Analyzed","sourceIdentifier":"secure@microsoft.com","cvss":{"version":"3.1","score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"cwe":["CWE-787"],"affected":["microsoft/office","microsoft/office compatibility pack","microsoft/word"],"epss":{"score":0.93289,"percentile":0.99835,"date":"2026-10-27","history":[]},"kev":{"listed":true,"dateAdded":"2021-11-03","dueDate":"2022-05-03","knownRansomwareCampaignUse":"Known","notes":"Apply updates per vendor instructions.\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-0802"},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 3 May 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[],"references":[{"url":"http://www.securityfocus.com/bid/102347","tags":["Broken Link","Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"http://www.securitytracker.com/id/1040153","tags":["Broken Link","Third Party Advisory","VDB Entry"],"source":"secure@microsoft.com"},{"url":"https://0patch.blogspot.com/2018/01/the-bug-that-killed-equation-editor-how.html","tags":["Exploit","Third Party Advisory"],"source":"secure@microsoft.com"},{"url":"https://github.com/rxwx/CVE-2018-0802","tags":["Exploit","Third Party Advisory"],"source":"secure@microsoft.com"},{"url":"https://github.com/zldww2011/CVE-2018-0802_POC","tags":["Third Party Advisory"],"source":"secure@microsoft.com"},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0802","tags":["Patch","Vendor Advisory"],"source":"secure@microsoft.com"},{"url":"https://research.checkpoint.com/another-office-equation-rce-vulnerability/","tags":["Exploit"],"source":"secure@microsoft.com"},{"url":"http://www.securityfocus.com/bid/102347","tags":["Broken Link","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1040153","tags":["Broken Link","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://0patch.blogspot.com/2018/01/the-bug-that-killed-equation-editor-how.html","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/rxwx/CVE-2018-0802","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/zldww2011/CVE-2018-0802_POC","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0802","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://research.checkpoint.com/another-office-equation-rce-vulnerability/","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-0802","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-0802","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."}