CVE-2026-51990

CVE Enrichment

CVSS: 9.8 CRITICAL
EPSS: 0.93%
EPSS Percentile: 59.37%
CISA KEV: Not listed

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

Technical Details

CVSS Version: 3.1
CNA / NVD Source: cve@mitre.org
Published: 17-Sep-2026 01:17
Last Modified: 23-Sep-2026 03:00
EPSS Date: 2026-10-11
CWE: CWE-94

CVSS Vector


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

References

Last enrichment sync: 12-Oct-2026 17:12
Sources: NVD · FIRST EPSS · CISA KEV
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Reported Context (2)

CVE-2026-51990 Recorded Future Reports 94 High-Impact Vulnerabilities in September 2026, Including 80 Actively Exploited
Gen Threat Labs discovered a critical remote code execution vulnerability (CVE-2026-51990) in Sogou Input Method, one of the most widely used Chinese-language input method editors with hundreds of millions of Sogou Input Method Flaw Let UNC3569 Deliver GRAYRABBIT Backdoor with a Single Click

CVE (76)

Malware (7)

Threat Actors (8)

MITRE ATT&CK (15)

Vendors (12)

Products (69)

Tools (7)

Industries (5)

Countries (4)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.