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Vulnerability record · CVE-2025-9338 · published 6 November 2025

CVE-2025-9338: Memory buffer overflow vulnerability

A improper restriction of operations within the bounds of a memory buffer exists in AsIO3.sys driver. This vulnerability can be triggered by manually executing a specially crafted process, potentially leading to local privilage escalation. For additional information, please refer to the 'Security Update for Armoury Crate App' section of the ASUS Security Advisory.

7.3 CVSS 4.0 High EPSS 0.12% · top 98.2% CWE-119 · Memory buffer overflow Deferred
7.3CVSS 4.0 base score
0.12%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

Description

A improper restriction of operations within the bounds of a memory buffer exists in AsIO3.sys driver. This vulnerability can be triggered by manually executing a specially crafted process, potentially leading to local privilage escalation. For additional information, please refer to the 'Security Update for Armoury Crate App' section of the ASUS Security Advisory.

CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

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

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Source: NIST National Vulnerability Database (record CVE-2025-9338), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.