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CVE-2026-98856VulnerabilityPublished Updated

Microsoft · kprobes: Skip disarmed probes when checking optkprobe overlap

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-98856· High

Not known to be exploited · fixed in e29e819cacfb4e3cd56d41eb704ab4718d6d2915 : patch Microsoft soon.

Data as of 7 Nov 2026, 12:19 UTC

Severity
High

Rated by Threat Radar · CVSS not yet scored by NVD

Thin evidence

One scorer or none
Patch
Available – fixed in e29e819cacfb4e3cd56d41eb704ab4718d6d2915, ab9ed9faa67bf67383ff7e1479655e232a843c2b, 6745fa65f4115045431c0c15610e876855a04625 +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 7 Nov 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • ≥ afd66255b9a48f5851326ddae50e2203fbf71dc9, < e29e819cacfb4e3cd56d41eb704ab4718d6d2915
Fixed in
  • e29e819cacfb4e3cd56d41eb704ab4718d6d2915
LinuxLinuxAffected
  • ≥ afd66255b9a48f5851326ddae50e2203fbf71dc9, < ab9ed9faa67bf67383ff7e1479655e232a843c2b
Fixed in
  • ab9ed9faa67bf67383ff7e1479655e232a843c2b
LinuxLinuxAffected
  • ≥ afd66255b9a48f5851326ddae50e2203fbf71dc9, < 6745fa65f4115045431c0c15610e876855a04625
Fixed in
  • 6745fa65f4115045431c0c15610e876855a04625
LinuxLinuxAffected
  • ≥ afd66255b9a48f5851326ddae50e2203fbf71dc9, < 985a568171e7bdba6dcde3420d0e5bb515813457
Fixed in
  • 985a568171e7bdba6dcde3420d0e5bb515813457
LinuxLinuxAffected
  • ≥ afd66255b9a48f5851326ddae50e2203fbf71dc9, < 526fac219e8b7d3369b43026bd0a1df51b811cd4
Fixed in
  • 526fac219e8b7d3369b43026bd0a1df51b811cd4
LinuxLinuxAffected
  • ≥ afd66255b9a48f5851326ddae50e2203fbf71dc9, < 7a39c732a22ec4a369af9e19fbe3d666ec83eec4
Fixed in
  • 7a39c732a22ec4a369af9e19fbe3d666ec83eec4

Description

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

References

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