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CVE-2026-98033VulnerabilityPublished Updated

callback frames · bpf: Preserve inner map identity

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-98033· High

Not known to be exploited · fixed in cf85e4f94d7feef8b3c4c90dbe2468595a48393b : patch Microsoft soon.

Data as of 7 Nov 2026, 13:34 UTC

Severity
High

Rated by Threat Radar · CVSS not yet scored by NVD

Patch
Available – fixed in cf85e4f94d7feef8b3c4c90dbe2468595a48393b, b90c5d770dad910fb89e6c1b15052a8a1e8db752, 166221c52d3ca332f8699a854efca8e2704bb137 +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
  • ≥ 69c087ba6225b574afb6e505b72cb75242a3d844, < cf85e4f94d7feef8b3c4c90dbe2468595a48393b
Fixed in
  • cf85e4f94d7feef8b3c4c90dbe2468595a48393b
LinuxLinuxAffected
  • ≥ 69c087ba6225b574afb6e505b72cb75242a3d844, < b90c5d770dad910fb89e6c1b15052a8a1e8db752
Fixed in
  • b90c5d770dad910fb89e6c1b15052a8a1e8db752
LinuxLinuxAffected
  • ≥ 69c087ba6225b574afb6e505b72cb75242a3d844, < 166221c52d3ca332f8699a854efca8e2704bb137
Fixed in
  • 166221c52d3ca332f8699a854efca8e2704bb137
LinuxLinuxAffected
  • ≥ 69c087ba6225b574afb6e505b72cb75242a3d844, < 66ff2eff093d2a0838f39c713eeb590bc0946c2a
Fixed in
  • 66ff2eff093d2a0838f39c713eeb590bc0946c2a
LinuxLinuxAffected
  • ≥ 69c087ba6225b574afb6e505b72cb75242a3d844, < 08b534bafdd9de65b6374474a8fe719c90eb3b01
Fixed in
  • 08b534bafdd9de65b6374474a8fe719c90eb3b01
LinuxLinuxAffected
  • =5.13
Fixed in–

Description

CVE-2026-98033 is a vulnerability related to the BPF (Berkeley Packet Filter) subsystem in Microsoft software versions 3.0 and 4.0. The issue involves preserving inner map identity in callback frames. No detailed technical or impact information is provided beyond this description.

References

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