{"id":"CVE-2026-12921","state":"PUBLISHED","title":"Use after free in AzeoTech DAQFactory","description":"In AzeoTech DAQFactory versions 21.1 and prior, a Use After Free vulnerability can be exploited by an attacker using specially crafted .ctl files which can result in code execution.","publishedAt":"2026-06-25T17:57:54.822Z","updatedAt":"2026-06-25T18:31:02.699Z","severity":{"score":8.4,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","source":"icscert"},"assigner":"icscert","products":["AzeoTech DAQFactory"],"affected":[{"vendor":"AzeoTech","product":"DAQFactory","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"21.1","versionType":"custom"}]}],"references":["https://www.cisa.gov/news-events/ics-advisories/icsa-26-169-02"],"weaknesses":["CWE-416"],"ingestedAt":"2026-10-29T20:10:52.580Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/12xxx/CVE-2026-12921.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-12921","state":"PUBLISHED","datePublished":"2026-06-25T17:57:54.822Z","dateUpdated":"2026-06-25T18:31:02.699Z","assignerShortName":"icscert","assignerOrgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","dateReserved":"2026-06-22T16:34:48.169Z"},"containers":{"cna":{"title":"Use after free in AzeoTech DAQFactory","descriptions":[{"lang":"en","value":"In AzeoTech DAQFactory versions 21.1 and prior, a Use After Free vulnerability can be exploited by an attacker using specially crafted .ctl files which can result in code execution."}],"affected":[{"vendor":"AzeoTech","product":"DAQFactory","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"21.1","versionType":"custom"}]}],"references":[{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-26-169-02","tags":["government-resource"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"ACTIVE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"HIGH","baseScore":8.4,"vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-416","lang":"en","description":"CWE-416 Use after free","type":"CWE"}]}],"providerMetadata":{"shortName":"icscert","orgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","dateUpdated":"2026-06-25T17:57:54.822Z"},"workarounds":[{"lang":"en","value":"*  Users are discouraged from using documents from unknown/untrusted sources.\n  *  Users are encouraged to store .ctl files in a folder only writeable by admin-level users.\n  *  Users are encouraged to operate in “Safe Mode” when loading documents that have been out of their control.\n  *  Users are encouraged to apply a document editing password to their documents.","supportingMedia":[{"type":"text/html","base64":false,"value":"<ul><li>Users are discouraged from using documents from unknown/untrusted sources.</li><li>Users are encouraged to store .ctl files in a folder only writeable by admin-level users.</li><li>Users are encouraged to operate in “Safe Mode” when loading documents that have been out of their control.</li><li>Users are encouraged to apply a document editing password to their documents.</li></ul>"}]}],"credits":[{"lang":"en","value":"Rocco Calvi (@TecR0c) with TecSecurity","type":"finder"},{"lang":"en","value":"rgod working with TrendAI Zero Day Initiative","type":"finder"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.2"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-25T18:30:50.110380Z","id":"CVE-2026-12921","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-06-25T18:31:02.699Z"}}]}}}