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CVE-2026-98581VulnerabilityPublished Updated

Microsoft · nfc: llcp: Fix list corruption / refcount desync in nfc_llcp_recv_dm()

Affects MicrosoftSource GCVE Database

0
Authoritative record:CVE-2026-98581· High

Not known to be exploited · fixed in dd2d24add86b3b63cd87cf2feff98ae119ba19a6 : patch Microsoft soon.

Data as of 28 Oct 2026, 09:14 UTC

Severity
High

Rated by Threat Radar · CVSS not yet scored by NVD

Patch
Available – fixed in dd2d24add86b3b63cd87cf2feff98ae119ba19a6, dba1d9c7134afcb4b1bfad8c1b1b3f0ab5189b08, c1e9ed52a6697354366dddf190fbacee8ed2f7c5 +5

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 18 Oct 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: 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 26 Oct 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • ≥ a69f32af86e389dd232b1bb2269e202c1bfcc60f, < dd2d24add86b3b63cd87cf2feff98ae119ba19a6
Fixed in
  • dd2d24add86b3b63cd87cf2feff98ae119ba19a6
LinuxLinuxAffected
  • ≥ a69f32af86e389dd232b1bb2269e202c1bfcc60f, < dba1d9c7134afcb4b1bfad8c1b1b3f0ab5189b08
Fixed in
  • dba1d9c7134afcb4b1bfad8c1b1b3f0ab5189b08
LinuxLinuxAffected
  • ≥ a69f32af86e389dd232b1bb2269e202c1bfcc60f, < c1e9ed52a6697354366dddf190fbacee8ed2f7c5
Fixed in
  • c1e9ed52a6697354366dddf190fbacee8ed2f7c5
LinuxLinuxAffected
  • ≥ a69f32af86e389dd232b1bb2269e202c1bfcc60f, < bf1460acdf8cf5a07c819f59785d40f20d113099
Fixed in
  • bf1460acdf8cf5a07c819f59785d40f20d113099
LinuxLinuxAffected
  • ≥ a69f32af86e389dd232b1bb2269e202c1bfcc60f, < b94cf09720543cc34256c7aa88f8059cbe7c0419
Fixed in
  • b94cf09720543cc34256c7aa88f8059cbe7c0419
LinuxLinuxAffected
  • ≥ a69f32af86e389dd232b1bb2269e202c1bfcc60f, < 812731dd8511f5768f4ff279b3c18d85cd21da4b
Fixed in
  • 812731dd8511f5768f4ff279b3c18d85cd21da4b

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

Description

This vulnerability involves a flaw in the NFC LLCP component where list corruption and reference count desynchronization occur in the nfc_llcp_recv_dm() function. It affects Microsoft products versions 3.0 and 4.0. No CVSS score or detailed impact information is provided.

References

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