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CVE-2026-98950VulnerabilityPublished Updated

bpf_flow_dissect() · flow_dissector: avoid u16 truncation of hlen

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-98950· Medium

Not known to be exploited · fixed in f202578efc738b883cfa04889eb97328914265a7 : 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 f202578efc738b883cfa04889eb97328914265a7, cc18eb0e9941162c03f03f411ed7f6c339d91fa0, c44c02c930c6583b235a1937c69ff716c4bb4514 +5

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 23 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
  • ≥ d58e468b1112dcd1d5193c0a89ff9f98b5a3e8b9, < f202578efc738b883cfa04889eb97328914265a7
Fixed in
  • f202578efc738b883cfa04889eb97328914265a7
LinuxLinuxAffected
  • ≥ d58e468b1112dcd1d5193c0a89ff9f98b5a3e8b9, < cc18eb0e9941162c03f03f411ed7f6c339d91fa0
Fixed in
  • cc18eb0e9941162c03f03f411ed7f6c339d91fa0
LinuxLinuxAffected
  • ≥ d58e468b1112dcd1d5193c0a89ff9f98b5a3e8b9, < c44c02c930c6583b235a1937c69ff716c4bb4514
Fixed in
  • c44c02c930c6583b235a1937c69ff716c4bb4514
LinuxLinuxAffected
  • ≥ d58e468b1112dcd1d5193c0a89ff9f98b5a3e8b9, < 6267f8304cbd9ec9f3f53bd227a733e07131492e
Fixed in
  • 6267f8304cbd9ec9f3f53bd227a733e07131492e
LinuxLinuxAffected
  • ≥ d58e468b1112dcd1d5193c0a89ff9f98b5a3e8b9, < 99c59062172620a0bac4ae8cf37c83bb78772cdd
Fixed in
  • 99c59062172620a0bac4ae8cf37c83bb78772cdd
LinuxLinuxAffected
  • ≥ d58e468b1112dcd1d5193c0a89ff9f98b5a3e8b9, < 61b43a51a55929ec040bee3ea51af2121b956d05
Fixed in
  • 61b43a51a55929ec040bee3ea51af2121b956d05

Description

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

References

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