CVE-2026-93495

Arbitrary memory access via crafted device insertion

Published Oct 1, 2026 · Updated Oct 1, 2026

Improper initialization in ASUS motherboard firmware allows physically proximate attackers to read or write arbitrary memory via a crafted device. The available advisory information does not identify the firmware routine or initialization step that fails to restrict device access. Exploitation requires insertion of a specially crafted device; no remote attack path is described.

CVSS severityUnavailable
Unscored
EPSS probability0.16%
Next 30 days · Oct 19, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper initialization in ASUS motherboard firmware allows physically proximate attackers to read or write arbitrary memory via a crafted device. The available advisory information does not identify the firmware routine or initialization step that fails to restrict device access. Exploitation requires insertion of a specially crafted device; no remote attack path is described.

The record

CVE
CVE-2026-93495
Published
Oct 1, 2026
Updated
Oct 1, 2026
Vendor
ASUSTeK Computer Inc.
Product
ROG MAXIMUS XI HERO
Classifications
Unavailable
Attack vector
physical
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 1, 2026CVE publishedPublication date reported by the CVE source.
  2. Oct 1, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=through 2101

What conditions does exploitation require?

Attack vectorphysical
Required privilegesunauthenticated

What is affected?

ASUSTeK Computer Inc. · ROG MAXIMUS XI HEROversion=through 2101
ASUSTeK Computer Inc. · ROG MAXIMUS XI FORMULAversion=through 2101
ASUSTeK Computer Inc. · PRIME Z390-A/H10version=through 2101
ASUSTeK Computer Inc. · WS Z390 PROversion=through 1401
ASUSTeK Computer Inc. · ROG MAXIMUS XI APEXversion=through 2101
ASUSTeK Computer Inc. · ROG MAXIMUS XI EXTREMEversion=through 2101
ASUSTeK Computer Inc. · ROG MAXIMUS XI CODEversion=through 2101
ASUSTeK Computer Inc. · Pro WS C246-ACEversion=through 2101
ASUSTeK Computer Inc. · ROG STRIX Z390-F GAMINGversion=through 2101
ASUSTeK Computer Inc. · ROG MAXIMUS XI HERO (WI-FI)version=through 2101
ASUSTeK Computer Inc. · ROG MAXIMUS XI GENEversion=through 2101
ASUSTeK Computer Inc. · PRIME Z390-Aversion=through 2101
ASUSTeK Computer Inc. · ROG STRIX Z390-E GAMINGversion=through 2101

Published CVSS scores

No CVSS assessment is available in this record.

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Activity data is delayed. The latest report is Sep 28, 2026.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 22, 2026Sep 28, 2026
Latest reporting daySep 28, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorphysical
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

No sourced classifications are available.

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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