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CVE-2026-13585 is a local vulnerability in the ASUS System Control Interface driver and ASUS Business Manager affecting ASUS System Control Interface v3 before 3.1.66.0, ASUS System Control Interface before 1.1.40.0, and ASUS Business Manager through 3.0.38.0. The issue is characterized by improper resource handling, specifically allocation of resources without limits or throttling and failure to remove sensitive information from a resource before reuse. A local administrator can trigger the flaw by issuing crafted IOCTL requests to the affected driver or management component. Successful exploitation can expose residual sensitive information from reused resources and, in more severe cases, destabilize the system and cause a denial of service.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
7 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A vulnerability in the ASUS bsitf.sys driver that allows arbitrary physical memory mapping through an unvalidated IOCTL, implying a dangerous kernel-level security flaw.
An arbitrary physical memory mapping vulnerability in the ASUS bsitf.sys / AsusBSItf.sys kernel driver shipped with ASUS Business Manager and Software Manager.
A local vulnerability in ASUS System Control Interface driver and ASUS Business Manager that allows a local administrator to disclose sensitive information via crafted IOCTL requests and, in severe cases, cause denial of service.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.