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CVE-2026-88781

No known exploitation. EPSS puts it in the 1st percentile. No fix published yet.

CVSS —Not scoredEPSS percentile1st0.1% chance in 30 daysCISA KEVNot listedNo confirmed exploitation
No public exploit knownFixNone yetNo fix or workaround published
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Published Updated Sources: CVE.org, NVD

NVD CVE.org

What to do

No fixed build or workaround is published yet. Limit exposure and watch for a patch.

  • ASUS motherboards firmwareAffected: A520/B550 series Before 3644 4304Upgrade to: not statedAffected: X570 Series Before 5054Upgrade to: not statedAffected: A620/A620A Series Before 4003 4004Upgrade to: not statedAffected: B650 Series Before 1303 4003 4004Upgrade to: not stated + 9 more branchesStated by: CVE record

Versions as the sources state them. Full version matrix after sign-in

What it is

From the CVE record

Untrusted Pointer Dereference in ASUS certain motherboards firmware allows a kernel-level privileges user can supply an arbitrary memory address via an I/O command, leading to subsequent system information being tampered with or causing a system crash. Refer to the 'Security Update for Multiple ASUS Motherboards' section on the ASUS Security Advisory for more information.

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

EPSS1st
CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

No public exploit or proof of concept found in the sources we track.

EPSS

0.1% chance of exploitation activity in the next 30 days, which ranks it in the 1st percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Lifecycle

5 events over 7 days, from the signal feeds we watch.

  1. Record updated
  2. Publishedweakness classified, record updated, record updated

Affected products

Technical detail

Weaknesses

Sources

References in the record

In the news

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