{"id":"CVE-2026-92254","state":"PUBLISHED","title":"WatchDog Antivirus kernel driver arbitrary file deletion via unauthenticated IOCTL","description":"Missing Authorization in the IOCTL handlers of the wsdkd.sys kernel drivers in Watchdog WatchDog Antivirus 1.8.640 (driver versions 1.3.0.0 and earlier) on Microsoft Windows allows local, low-privileged attackers to delete arbitrary files with SYSTEM privileges, bypassing NTFS access controls and potentially disabling security products or destabilizing the operating system, via crafted IOCTL requests sent to the \\Device\\wsdk device.","publishedAt":"2026-09-20T12:02:34.251Z","updatedAt":"2026-09-21T14:16:29.727Z","severity":{"score":6.9,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/AU:Y/RE:L/U:Amber","source":"watchdog"},"assigner":"watchdog","products":["Watchdog Anti-Virus"],"affected":[{"vendor":"Watchdog","product":"Anti-Virus","defaultStatus":"unaffected","versions":[{"version":"1.8.640","status":"affected","lessThan":"1.8.804","versionType":"semver"}],"platforms":["Windows"]}],"references":["https://watchdog.com/vulnerability-disclosure-policy/","https://watchdog.com/anti-virus-release-notes/"],"weaknesses":["CWE-20","CWE-306"],"ingestedAt":"2026-10-29T20:13:34.582Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/92xxx/CVE-2026-92254.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-92254","state":"PUBLISHED","datePublished":"2026-09-20T12:02:34.251Z","dateUpdated":"2026-09-21T14:16:29.727Z","assignerShortName":"watchdog","assignerOrgId":"34edf4f2-2577-40ab-82ce-39f45972c129","dateReserved":"2026-09-15T21:07:00.693Z"},"containers":{"cna":{"title":"WatchDog Antivirus kernel driver arbitrary file deletion via unauthenticated IOCTL","descriptions":[{"lang":"en","value":"Missing Authorization in the IOCTL handlers of the wsdkd.sys kernel drivers in Watchdog WatchDog Antivirus 1.8.640 (driver versions 1.3.0.0 and earlier) on Microsoft Windows allows local, low-privileged attackers to delete arbitrary files with SYSTEM privileges, bypassing NTFS access controls and potentially disabling security products or destabilizing the operating system, via crafted IOCTL requests sent to the \\Device\\wsdk device."}],"affected":[{"vendor":"Watchdog","product":"Anti-Virus","defaultStatus":"unaffected","versions":[{"version":"1.8.640","status":"affected","lessThan":"1.8.804","versionType":"semver"}],"platforms":["Windows"]}],"references":[{"url":"https://watchdog.com/vulnerability-disclosure-policy/"},{"url":"https://watchdog.com/anti-virus-release-notes/"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"YES","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"LOW","providerUrgency":"AMBER","version":"4.0","baseSeverity":"MEDIUM","baseScore":6.9,"vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/AU:Y/RE:L/U:Amber"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-20","lang":"en","description":"CWE-20 Improper input validation","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-306","lang":"en","description":"CWE-306 Missing authentication for critical function","type":"CWE"}]}],"providerMetadata":{"shortName":"watchdog","orgId":"34edf4f2-2577-40ab-82ce-39f45972c129","dateUpdated":"2026-09-20T12:17:30.610Z"},"datePublic":"2026-09-20T11:39:00.000Z","impacts":[{"capecId":"CAPEC-212","descriptions":[{"lang":"en","value":"CAPEC-212 Functionality Misuse"}]}],"credits":[{"lang":"en","value":"Patrick Tung","type":"finder"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 1.0.5"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-21T14:16:20.582346Z","id":"CVE-2026-92254","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-21T14:16:29.727Z"}}]}}}