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CVE-2026-98170VulnerabilityPublished Updated

Microsoft · smb: client: fix OOB struct field reads in move_smb2_ea_to_cifs()

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-98170· Medium

Not known to be exploited · fixed in eeb5ef6083e1cefa2ef75041b5597ff228b8d7bb : update Microsoft when convenient.

Data as of 7 Nov 2026, 12:19 UTC

Severity
Medium

Rated by Threat Radar · CVSS not yet scored by NVD

Thin evidence

One scorer or none
Patch
Available – fixed in eeb5ef6083e1cefa2ef75041b5597ff228b8d7bb, d3546cecbf81d98bf3b472d341f981eb48c04f47, 61812323c037a94e2e7f0db7ee740c34b126bffe +5

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 6 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 7 Nov 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • ≥ 95907fea4fd8ccc736e0a428e52159b4d42b9958, < eeb5ef6083e1cefa2ef75041b5597ff228b8d7bb
Fixed in
  • eeb5ef6083e1cefa2ef75041b5597ff228b8d7bb
LinuxLinuxAffected
  • ≥ 95907fea4fd8ccc736e0a428e52159b4d42b9958, < d3546cecbf81d98bf3b472d341f981eb48c04f47
Fixed in
  • d3546cecbf81d98bf3b472d341f981eb48c04f47
LinuxLinuxAffected
  • ≥ 95907fea4fd8ccc736e0a428e52159b4d42b9958, < 61812323c037a94e2e7f0db7ee740c34b126bffe
Fixed in
  • 61812323c037a94e2e7f0db7ee740c34b126bffe
LinuxLinuxAffected
  • ≥ 95907fea4fd8ccc736e0a428e52159b4d42b9958, < 22886b1b7464613373c9a7d0af2ace029c50cd97
Fixed in
  • 22886b1b7464613373c9a7d0af2ace029c50cd97
LinuxLinuxAffected
  • ≥ 95907fea4fd8ccc736e0a428e52159b4d42b9958, < 90a13af4c9b1369327395bababfe87c75599cc19
Fixed in
  • 90a13af4c9b1369327395bababfe87c75599cc19
LinuxLinuxAffected
  • ≥ 95907fea4fd8ccc736e0a428e52159b4d42b9958, < 34a3942e787b9c59758115bd65fe1ec89d68c7a4
Fixed in
  • 34a3942e787b9c59758115bd65fe1ec89d68c7a4

Description

To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

References

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