CVE-2026-51990

9.8 criticalEPSS 0.9%

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

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.9% chance of exploitation in the next 30 days; higher than 60% of CVEs (scores of 2026-10-31)
CWE: CWE-94
Published: 2026-09-16
Modified: 2026-09-22
Record from: the NVD, synced 2026-10-19

References

http://sogou.com
https://www.gendigital.com/blog/insights/research/one-click-backdoor-sogou

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