CVE-2026-51990CWE-94code-injection

CVE-2026-51990

Critical · published September 16, 2026

CVSS v3.1
9.8
EPSS
1%
Percentile
60.1
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00926 · 60.1th percentile
Weakness
CWE-94 · Improper Control of Generation of Code ('Code Injection')
Published
2026-09-16T22:17Z
References (2)
http://sogou.com · [email protected]https://www.gendigital.com/blog/insights/research/one-click-backdoor-sogou · [email protected]
EPSS history
Timeline
  • 18 SEP 04:00Z
    EPSS moved — → 0%
    epss
  • 16 SEP 00:00Z
    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
    cvelistv5