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CVE-2026-98043VulnerabilityPublished Updated

Microsoft · bpf: Don't infer non-NULL from a pointer with an unbounded offset

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-98043· High

Not known to be exploited · fixed in cb6642048739bf4ee5aa09fe465511f1e87caa63 : patch Microsoft soon.

Data as of 7 Nov 2026, 12:19 UTC

Severity
High

Rated by Threat Radar · CVSS not yet scored by NVD

Patch
Available – fixed in cb6642048739bf4ee5aa09fe465511f1e87caa63, 67b529f521a6676cdfc78b91b0217d7eaa84216b, 65bea674f43c09c0eda033a140dfac6a2842a19f +2

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 25 Sep 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
  • ≥ cac616db39c207dc63465a4e05c6ce0e60b2cce4, < cb6642048739bf4ee5aa09fe465511f1e87caa63
Fixed in
  • cb6642048739bf4ee5aa09fe465511f1e87caa63
LinuxLinuxAffected
  • ≥ cac616db39c207dc63465a4e05c6ce0e60b2cce4, < 67b529f521a6676cdfc78b91b0217d7eaa84216b
Fixed in
  • 67b529f521a6676cdfc78b91b0217d7eaa84216b
LinuxLinuxAffected
  • ≥ cac616db39c207dc63465a4e05c6ce0e60b2cce4, < 65bea674f43c09c0eda033a140dfac6a2842a19f
Fixed in
  • 65bea674f43c09c0eda033a140dfac6a2842a19f
LinuxLinuxAffected
  • ≥ cac616db39c207dc63465a4e05c6ce0e60b2cce4, < 019d845a08b8ccfe8eefaaf4bca6870f2b8c58ae
Fixed in
  • 019d845a08b8ccfe8eefaaf4bca6870f2b8c58ae
LinuxLinuxAffected
  • ≥ cac616db39c207dc63465a4e05c6ce0e60b2cce4, < 8b414dbe97fcefd116e5a620c3bd9993014aa4ce
Fixed in
  • 8b414dbe97fcefd116e5a620c3bd9993014aa4ce
LinuxLinuxAffected
  • =5.8
Fixed in–

Description

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

References

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