{"id":"CVE-2016-5228","url":"https://www.cyber-defence.io/tools/cve/CVE-2016-5228","generatedAt":"2026-11-05T05:27:54.544Z","title":"Stack-based buffer overflow in the PlayMacro function in ObjectXMacro.ObjectXMacro in WdMacCtl.ocx in Micro Focus Rumba 9.x before 9.3 HF 11997 and 9.4.x before 9.4 HF 12815 allows remote attackers to execute arbitrary code via a long MacroName argument.","description":"Stack-based buffer overflow in the PlayMacro function in ObjectXMacro.ObjectXMacro in WdMacCtl.ocx in Micro Focus Rumba 9.x before 9.3 HF 11997 and 9.4.x before 9.4 HF 12815 allows remote attackers to execute arbitrary code via a long MacroName argument. NOTE: some references mention CVE-2016-5226 but that is not a correct ID for any Rumba vulnerability.","published":"2016-07-03T01:59:10.000Z","lastModified":"2026-06-17T00:49:01.000Z","status":"Modified","sourceIdentifier":"security@opentext.com","cvss":{"version":"3.0","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-119"],"affected":["microfocus/rumba"],"epss":{"score":0.15115,"percentile":0.96748,"date":"2026-11-04","history":[{"date":"2026-09-21","score":0.11038,"percentile":0.95772},{"date":"2026-09-22","score":0.15115,"percentile":0.96581}]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2016-10-31","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":40649,"kind":"exploit","title":"Micro Focus Rumba 9.3 - ActiveX Stack Buffer Overflow (PoC)","url":"https://www.exploit-db.com/exploits/40649","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/windows/dos/40649.html","file":"exploits/windows/dos/40649.html","published":"2016-10-31","added":"2016-10-31","updated":"2016-10-31","author":"Umit Aksu","type":"dos","platform":"windows","port":null,"verified":true,"codes":["CVE-2016-5228"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 15.1%, higher than 97% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://community.microfocus.com/microfocus/mainframe_solutions/rumba/w/knowledge_base/28600.micro-focus-rumba-9-x-security-update.aspx","source":"security@opentext.com"},{"url":"http://www.zeroscience.mk/en/vulnerabilities/ZSL-2016-5327.php","source":"security@opentext.com"},{"url":"https://cxsecurity.com/issue/WLB-2016050136","source":"security@opentext.com"},{"url":"https://www.exploit-db.com/exploits/40649/","source":"security@opentext.com"},{"url":"http://community.microfocus.com/microfocus/mainframe_solutions/rumba/w/knowledge_base/28600.micro-focus-rumba-9-x-security-update.aspx","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.zeroscience.mk/en/vulnerabilities/ZSL-2016-5327.php","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cxsecurity.com/issue/WLB-2016050136","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/40649/","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2016-5228","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."}