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CVE-2026-46031VulnerabilityPublished Updated

Microsoft · net: ks8851: Reinstate disabling of BHs around IRQ handler

Affects MicrosoftSource GCVE Database

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Not known to be exploited.

Data as of 30 Oct 2026, 11:52 UTC

Severity
Medium

Rated by Threat Radar · No CVSS score from NVD or the CNA

EPSS
0.3% chance of exploitation in 30 days – higher than 30% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 2 May 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Microsoft Security Response Center MicrosoftAffected
  • =3.0
  • Microsoft
  • Azure Linux
  • 3.0
  • Azure Linux 3.0
  • kernel
Fixed in–

AI-suggested

Users should monitor the Microsoft Security Response Center for updates regarding this vulnerability.

Description

CVE-2026-46031 is a vulnerability related to the net: ks8851 driver, specifically concerning the reinstatement of disabling bottom halves (BHs) around the IRQ handler. The provided description does not include technical details or impact specifics. No CVSS score is available, and there is no indication of known exploits in the wild. The affected products include Microsoft and Azure Linux 3.0 versions. No patch or remediation information is provided, and the vendor advisory content is minimal, referencing only the Microsoft Support Lifecycle page.

References

Community reviews

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