{"id":"CVE-2026-92253","state":"PUBLISHED","title":"Arbitrary File Write via Directory Junction in WatchDog Anti-Virus Quarantine Restoration","description":"Improper link resolution before file access in the quarantine restoration process of WatchDog Anti-Virus 1.8.640 on Windows allows local, low-privileged attackers to cause a quarantined file to be written to an arbitrary filesystem location by creating a directory junction at the original file path and persuading an administrator to restore the file. This may enable modification of protected files or SYSTEM-level code execution through DLL hijacking.","publishedAt":"2026-09-20T12:24:47.393Z","updatedAt":"2026-09-21T14:12:03.001Z","severity":{"score":5.2,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/RE:L/U:Green","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-59"],"ingestedAt":"2026-10-29T20:13:34.582Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/92xxx/CVE-2026-92253.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-92253","state":"PUBLISHED","datePublished":"2026-09-20T12:24:47.393Z","dateUpdated":"2026-09-21T14:12:03.001Z","assignerShortName":"watchdog","assignerOrgId":"34edf4f2-2577-40ab-82ce-39f45972c129","dateReserved":"2026-09-15T21:07:00.097Z"},"containers":{"cna":{"title":"Arbitrary File Write via Directory Junction in WatchDog Anti-Virus Quarantine Restoration","descriptions":[{"lang":"en","value":"Improper link resolution before file access in the quarantine restoration process of WatchDog Anti-Virus 1.8.640 on Windows allows local, low-privileged attackers to cause a quarantined file to be written to an arbitrary filesystem location by creating a directory junction at the original file path and persuading an administrator to restore the file. This may enable modification of protected files or SYSTEM-level code execution through DLL hijacking."}],"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":"ACTIVE","vulnConfidentialityImpact":"LOW","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"LOW","providerUrgency":"GREEN","version":"4.0","baseSeverity":"MEDIUM","baseScore":5.2,"vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/RE:L/U:Green"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-59","lang":"en","description":"CWE-59 Improper link resolution before file access ('link following')","type":"CWE"}]}],"providerMetadata":{"shortName":"watchdog","orgId":"34edf4f2-2577-40ab-82ce-39f45972c129","dateUpdated":"2026-09-20T12:24:47.393Z"},"impacts":[{"capecId":"CAPEC-132","descriptions":[{"lang":"en","value":"CAPEC-132 Symlink Attack"}]}],"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":"2026-09-21T14:11:52.365935Z","id":"CVE-2026-92253","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":"2026-09-21T14:12:03.001Z"}}]}}}