CVE-2026-8921: External Control of File Name or Path vulnerability in ASUS Business Manager allows a local user to execute arbitrary code with SYSTEM privileges via a tampered IPC message. Refer
External Control of File Name or Path vulnerability in ASUS Business Manager allows a local user to execute arbitrary code with SYSTEM privileges via a tampered IPC message.
Refer to the '
Security Update for ASUS Business Manager ' section on the ASUS Security Advisory for more information.
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-8921
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-89210.12% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-8921 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for External Control of
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- criticalCVE-2026-40008: Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerabili…nvd · 2026-07-10
- highCVE-2026-58293: External control of file name or path in Microsoft Edge (Chromium-based) allows an unauthorize…nvd · 2026-07-03
- mediumGHSA-c2rv-hwqm-wjpg: Apache Calcite is Vulnerable to Use of Externally-Controlled Input to Select Classesghsa · 2026-06-02
- criticalexploitedCVE-2025-33053: Microsoft Windows External Control of File Name or Path Vulnerabilitycisa-kev · 2025-06-10
- criticalexploitedCVE-2025-35939: Craft CMS External Control of Assumed-Immutable Web Parameter Vulnerabilitycisa-kev · 2025-06-02
- criticalexploitedCVE-2022-27593: QNAP Photo Station Externally Controlled Reference Vulnerabilitycisa-kev · 2022-09-08
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