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CVE-2026-98494VulnerabilityPublished Updated

Microsoft · net: atl1: fix soft lockup on out-of-range cmb_tpd_next_to_clean read

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-98494· Medium

Not known to be exploited · fixed in c55e51d5899e80f9593b26985ed0b89e0c828a5e : update Microsoft when convenient.

Data as of 2 Nov 2026, 10:58 UTC

Severity
Medium

Rated by Threat Radar · CVSS not yet scored by NVD

EPSS
0.2% chance of exploitation in 30 days – higher than 12% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in c55e51d5899e80f9593b26985ed0b89e0c828a5e, 6285919d4c06254d257d24dc980f6332e1984a82, 632cd7b81cb7bab36112f02eb2ee7f7cc1214fb1 +5

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 18 Oct 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 2 Nov 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • ≥ f3cc28c797604fa1cda4aef3f250f465de54a0ca, < c55e51d5899e80f9593b26985ed0b89e0c828a5e
Fixed in
  • c55e51d5899e80f9593b26985ed0b89e0c828a5e
LinuxLinuxAffected
  • ≥ f3cc28c797604fa1cda4aef3f250f465de54a0ca, < 6285919d4c06254d257d24dc980f6332e1984a82
Fixed in
  • 6285919d4c06254d257d24dc980f6332e1984a82
LinuxLinuxAffected
  • ≥ f3cc28c797604fa1cda4aef3f250f465de54a0ca, < 632cd7b81cb7bab36112f02eb2ee7f7cc1214fb1
Fixed in
  • 632cd7b81cb7bab36112f02eb2ee7f7cc1214fb1
LinuxLinuxAffected
  • ≥ f3cc28c797604fa1cda4aef3f250f465de54a0ca, < 79e2447b11322c27ef9ac423be0a94efc7691f02
Fixed in
  • 79e2447b11322c27ef9ac423be0a94efc7691f02
LinuxLinuxAffected
  • ≥ f3cc28c797604fa1cda4aef3f250f465de54a0ca, < 43e746821f5f5afbbf68e388bf9fbe221e03bfca
Fixed in
  • 43e746821f5f5afbbf68e388bf9fbe221e03bfca
LinuxLinuxAffected
  • ≥ f3cc28c797604fa1cda4aef3f250f465de54a0ca, < 6ab9f61ca851f02ae4398cebaf00735a22e1d6ca
Fixed in
  • 6ab9f61ca851f02ae4398cebaf00735a22e1d6ca

Description

A vulnerability identified as CVE-2026-98494 affects Microsoft products version 3.0 and 4.0 related to the 'net: atl1' component. The issue involves a soft lockup caused by an out-of-range read of the cmb_tpd_next_to_clean variable. No CVSS score or detailed impact information is provided.

References

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