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CVE-2026-98925VulnerabilityPublished Updated

Microsoft · bpf, sockmap: Fix self-redirect copied_seq double-counting

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-98925· Medium

Not known to be exploited · fixed in ef6f2182fee6b9721c005ccfc6aec0a47f79bbfa : update Microsoft when convenient.

Data as of 2 Nov 2026, 10:58 UTC

Severity
Medium

Rated by Threat Radar · CVSS not yet scored by NVD

Thin evidence

One scorer or none
EPSS
0.1% chance of exploitation in 30 days – higher than 8% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in ef6f2182fee6b9721c005ccfc6aec0a47f79bbfa, dc98def81e3c629e25fcdd5753b1db93aab27ce9, cf9aefb26a071cb8b6fdd761c27e022a1184946d +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 2 Nov 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • >=6.1.32 <6.1.189
  • >=6.3.6 <6.4
Fixed in
  • ef6f2182fee6b9721c005ccfc6aec0a47f79bbfa
  • dc98def81e3c629e25fcdd5753b1db93aab27ce9
  • cf9aefb26a071cb8b6fdd761c27e022a1184946d
  • ae1ffd04e98beefbe5d83335d506b0bcd5c2a6b3
  • 88942054191185c6f8bea5568cbb5614d1e99af9
  • 490a83d6386eec1d29f470c8d7331677fb46c3b7
  • 6.4
  • 6.1.189
LinuxLinuxAffected
  • =6.4
Fixed in–

Description

This vulnerability, identified as CVE-2026-98925, involves a flaw in the bpf sockmap component related to self-redirect copied_seq double-counting. The issue affects Microsoft products versions 3.0 and 4.0. No CVSS score or detailed impact information is provided in the available data.

References

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