{"id":"CVE-2026-51990","title":"An issue in Sogou Sogou Input Method < 16.3.0.3498 (fixed in 16.3.0.3498) allows a remote attacker to execute arbitrary code via the biz_helper.exe component","summary":"An issue in Sogou Sogou Input Method < 16.3.0.3498 (fixed in 16.3.0.3498) allows a remote attacker to execute arbitrary code via the biz_helper.exe component","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-94"],"published":"2026-09-16","updated":"2026-09-22","sourceUpdated":"2026-09-22T20:00:03.713","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-51990","references":[{"url":"http://sogou.com","label":"cve@mitre.org"},{"url":"https://www.gendigital.com/blog/insights/research/one-click-backdoor-sogou","label":"cve@mitre.org"}],"tags":["nvd","exploit-available","cve.org"],"epss":0.00926,"epssPercentile":0.60286,"exploits":{"github":1,"githubRepos":["https://github.com/HORKimhab/CVE-2026-51990"],"checkedAt":"2026-10-27T19:02:37.655Z"},"exploitAvailable":true,"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"total","timestamp":"2026-09-17T16:59:41.602388Z"},"ingestedAt":"2026-09-16T18:01:17.459Z","slug":"CVE-2026-51990","body":"## Overview\n\nAn issue in Sogou Sogou Input Method < 16.3.0.3498 (fixed in 16.3.0.3498) allows a remote attacker to execute arbitrary code via the biz_helper.exe component\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"abyssal","depthScore":66,"depthScoreParts":{"impact":53.9,"likelihood":0.2,"exploitation":12,"ransomware":0},"changes":[{"seq":206470,"id":"CVE-2026-51990","ts":1789665850476,"field":"cvss","old":null,"new":"9.8"},{"seq":206469,"id":"CVE-2026-51990","ts":1789665850476,"field":"severity","old":"none","new":"critical"}]}