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CVE-2026-98582VulnerabilityPublished Updated

Microsoft · nfc: st21nfca: validate received frame size

Affects MicrosoftSource GCVE Database

0
Authoritative record:CVE-2026-98582· Medium

Not known to be exploited · fixed in f526c218a149a30f110ce434ff17e033042404b8 : update Microsoft when convenient.

Data as of 28 Oct 2026, 09:13 UTC

Severity
Medium

Rated by Threat Radar · CVSS not yet scored by NVD

Patch
Available – fixed in f526c218a149a30f110ce434ff17e033042404b8, d4008c3499dba7829bfe002edd99a8bff8ae3a7c, d0596ee6c4b928a5c288790522a7495ee867da72 +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
  • ≥ 3096e25a3e40b73afd59e46f3bf8d84f919992a1, < f526c218a149a30f110ce434ff17e033042404b8
Fixed in
  • f526c218a149a30f110ce434ff17e033042404b8
LinuxLinuxAffected
  • ≥ 3096e25a3e40b73afd59e46f3bf8d84f919992a1, < d4008c3499dba7829bfe002edd99a8bff8ae3a7c
Fixed in
  • d4008c3499dba7829bfe002edd99a8bff8ae3a7c
LinuxLinuxAffected
  • ≥ 3096e25a3e40b73afd59e46f3bf8d84f919992a1, < d0596ee6c4b928a5c288790522a7495ee867da72
Fixed in
  • d0596ee6c4b928a5c288790522a7495ee867da72
LinuxLinuxAffected
  • ≥ 3096e25a3e40b73afd59e46f3bf8d84f919992a1, < a653c01ce447f10c36b901646888c0330363af4f
Fixed in
  • a653c01ce447f10c36b901646888c0330363af4f
LinuxLinuxAffected
  • ≥ 3096e25a3e40b73afd59e46f3bf8d84f919992a1, < 57919d0662d8856211b794140172e51ca389f23d
Fixed in
  • 57919d0662d8856211b794140172e51ca389f23d
LinuxLinuxAffected
  • ≥ 3096e25a3e40b73afd59e46f3bf8d84f919992a1, < 8934d2889ae16a7c77520e002398d0689c1ecea5
Fixed in
  • 8934d2889ae16a7c77520e002398d0689c1ecea5

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

Description

This vulnerability concerns the NFC component 'st21nfca' related to validating the received frame size. The information provided is minimal and does not describe the nature of the flaw, its impact, or exploitation details. The affected product is Microsoft software versions 3.0 and 4.0. No CVSS score or detailed technical information is available.

References

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