CVE-2026-51990 Sogou Sogou Input Method - Remote Code Execution

Sogou Sogou Input Method < 16.3.0.3498 contains a remote code execution caused by vulnerability in biz_helper.exe component, letting remote attackers execute arbitrary code, exploit requires no special conditions.

CVSS base score 9.8 /10
Critical
CISA KEV
Exploited in the wild
Public exploit
Proof of concept available
Authentication
Not required
EPSS
0.93% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Remote Code Execution
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
16 September 2026
Updated
15 October 2026
Weakness
CWE-94

Vendor fix

Update to version 16.3.0.3498 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

← All CVEs