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PatchSiren cyber security CVE debrief

CVE-2026-7480 ASUS CVE debrief

A local privilege escalation vulnerability in ASUS System Control Interface allows an authenticated low-privilege attacker to gain SYSTEM privileges through a crafted RPC call that bypasses validation. The flaw stems from incorrect permission assignment for a critical resource (CWE-732), enabling arbitrary code execution at the highest privilege level on affected Windows endpoints. The vulnerability requires local access and low privileges but no user interaction, with high impact to confidentiality, integrity, and availability of the affected system.

Vendor
ASUS
Product
ASUS System Control Interface
CVSS
HIGH 7.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-05-29
Original CVE updated
2026-07-21
Advisory published
2026-05-29
Advisory updated
2026-07-21

Who should care

Windows system administrators managing ASUS hardware with System Control Interface installed; endpoint security teams; organizations with bring-your-own-device policies involving ASUS systems; incident response teams tracking local privilege escalation chains.

Technical summary

The vulnerability exists in ASUS System Control Interface due to improper permission assignment on a critical resource. A local attacker with low privileges can craft a malicious RPC call that bypasses the existing validation mechanism, resulting in elevation to SYSTEM privileges and arbitrary code execution. The attack vector is local with high attack complexity, requires no user interaction, and has high impact across all security objectives (confidentiality, integrity, availability) on the compromised system. No scope change or downstream impacts are indicated in the CVSS vector.

Defensive priority

high

Recommended defensive actions

  • Apply ASUS security updates for System Control Interface as referenced in the vendor security advisory
  • Restrict local access to affected systems to authorized administrators only
  • Monitor for anomalous RPC activity targeting ASUS System Control Interface services
  • Review endpoint privilege management policies to limit lateral movement opportunities
  • Validate ASUS security advisory page for specific affected product versions and patch availability

Evidence notes

CVSS 4.0 vector: AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N. NVD status: Awaiting Analysis. Weakness: CWE-732 (Incorrect Permission Assignment for Critical Resource).

Sources and references

Verified primary and authoritative sources

  • CVE-2026-7480 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-7480

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-7480 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-7480

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Source reference

    Unverified legacy reference

    URL: https://www.asus.com/security-advisory/

    54bf65a7-a193-42d2-b1ba-8e150d3c35e1

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.