An issue in Sogou Sogou Input Method < 16.3.0.3498 (fixed in 16.3.0.3498) allows a remote...
Summary
Code injection reported (CVE-2026-51990). Successful exploitation can lead to full system takeover. Mitigation: upgrade to 16.3.0.3498 or later.
Original description
The description as published by the source.
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
Source: NIST National Vulnerability Database NVD GitHub Advisory
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2026-51990 has been found.
Successful exploitation can lead to full system takeover. CVSS score: 9.8/10.
What to do: upgrade the affected software to 16.3.0.3498 or later.
If unsure, ask your IT team or search "CVE-2026-51990" on the vendor's site.
CVE-2026-51990 — CWE-94 / CVSS v3 9.8
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Patched: 16.3.0.3498 — apply immediately
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
Arbitrary code execution (CWE-94) has been reported.
Check the vendor advisory for the affected versions.
Severity: Critical (CVSS 9.8/10). Successful exploitation can lead to full system takeover.
Update to 16.3.0.3498.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Audit SBOM/dependencies to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
Audit SBOM/dependencies for affected components.資産台帳・SBOM・依存マニフェストで影響コンポーネントを特定する。
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2Apply patch patch
Upgrade to 16.3.0.3498ステージング環境で 16.3.0.3498 に上げて回帰テスト → 本番反映。回帰テストはアプリの主要ハッピーパスを含めること。
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3Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
References
- web sogou.com
- web gendigital.com
- web nvd.nist.gov
- web github.com