CVE-2026-51990 Details
Description
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
A remote code execution vulnerability has been identified in Sogou Input Method versions prior to 16.3.0.3498. The issue arises in the biz_helper.exe component, which handles custom protocol URLs. The vulnerability allows attackers to inject unvalidated command-line arguments that are passed to Sogou executables, ultimately enabling the execution of arbitrary code.
Users are advised to update Sogou Input Method to version 16.3.0.3498 or later.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Sep 16, 2026CISA-ADP
Assessed Sep 17, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| http://sogou.com | [email protected] | Vendor |
| https://www.gendigital.com/blog/insights/research/one-click-backdoor-sogou | [email protected] | BundleExploitRemedyTechnical Analysis |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-94 | Improper Control of Generation of Code ('Code Injection') | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| Sogou Sogou Input Method | < 16.3.0.3498 |
CPE
Remediation
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Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Sep 17, 2026 | CVE Modified | CISA-ADP |
| Sep 16, 2026 | New CVE Received | [email protected] |