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CVE-2026-97600VulnerabilityPublished Updated

Microsoft · ieee802154: cc2520: fix FIFOP work use-after-free

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-97600· Medium

Not known to be exploited · fixed in ff5891b266a7fc6a062710836be84f1cc19338b5 : update Microsoft when convenient.

Data as of 7 Nov 2026, 12:36 UTC

Severity
Medium

Rated by Threat Radar · CVSS not yet scored by NVD

Patch
Available – fixed in ff5891b266a7fc6a062710836be84f1cc19338b5, c68fd52c73b676aee67020011e98fea125a978f4, 890a80d516a1447db5c21bf92841a82914ea897d +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
  • ≥ 0da6bc8cc3417a5e452efb886ff2c61e72b743d6, < ff5891b266a7fc6a062710836be84f1cc19338b5
Fixed in
  • ff5891b266a7fc6a062710836be84f1cc19338b5
LinuxLinuxAffected
  • ≥ 0da6bc8cc3417a5e452efb886ff2c61e72b743d6, < c68fd52c73b676aee67020011e98fea125a978f4
Fixed in
  • c68fd52c73b676aee67020011e98fea125a978f4
LinuxLinuxAffected
  • ≥ 0da6bc8cc3417a5e452efb886ff2c61e72b743d6, < 890a80d516a1447db5c21bf92841a82914ea897d
Fixed in
  • 890a80d516a1447db5c21bf92841a82914ea897d
LinuxLinuxAffected
  • ≥ 0da6bc8cc3417a5e452efb886ff2c61e72b743d6, < 56a9919d8494fb118eebf167bef0622528fbf2e7
Fixed in
  • 56a9919d8494fb118eebf167bef0622528fbf2e7
LinuxLinuxAffected
  • ≥ 0da6bc8cc3417a5e452efb886ff2c61e72b743d6, < 4a1ba62a486a4c43af91d01661a95e82dc4aaefa
Fixed in
  • 4a1ba62a486a4c43af91d01661a95e82dc4aaefa
LinuxLinuxAffected
  • =3.17
Fixed in–

Description

A use-after-free vulnerability was identified in the ieee802154 cc2520 component affecting Microsoft products versions 3.0 and 4.0. The issue relates to improper handling of FIFOP work, which could lead to memory corruption.

References

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