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CVE-2026-98764VulnerabilityPublished Updated

Microsoft · usb: gadget: f_fs: Fix NULL pointer dereference in FUNCTIONFS_ENDPOINT_DESC

Affects MicrosoftSource GCVE Database

0
Authoritative record:CVE-2026-98764· High

Not known to be exploited · fixed in 7811d8e26c77f8eea79e22d0d14c67ec0658b348 : patch Microsoft soon.

Data as of 28 Oct 2026, 09:27 UTC

Severity
High

Rated High by Threat Radar's AI analysis · CVSS not yet scored by NVD

Patch
Available – fixed in 7811d8e26c77f8eea79e22d0d14c67ec0658b348, 35ab269602e1f7c4c0fe6ea3477264bea77eced3, 9d8761b3c133f6c6a6d3486839dac60e2cf4bfe3 +2

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
  • ≥ c559a353410939c0884e83bdb0e2420a986ac53b, < 7811d8e26c77f8eea79e22d0d14c67ec0658b348
Fixed in
  • 7811d8e26c77f8eea79e22d0d14c67ec0658b348
LinuxLinuxAffected
  • ≥ c559a353410939c0884e83bdb0e2420a986ac53b, < 35ab269602e1f7c4c0fe6ea3477264bea77eced3
Fixed in
  • 35ab269602e1f7c4c0fe6ea3477264bea77eced3
LinuxLinuxAffected
  • ≥ c559a353410939c0884e83bdb0e2420a986ac53b, < 9d8761b3c133f6c6a6d3486839dac60e2cf4bfe3
Fixed in
  • 9d8761b3c133f6c6a6d3486839dac60e2cf4bfe3
LinuxLinuxAffected
  • ≥ c559a353410939c0884e83bdb0e2420a986ac53b, < 9cd072788c76595529eb38f42bf94d23852f8534
Fixed in
  • 9cd072788c76595529eb38f42bf94d23852f8534
LinuxLinuxAffected
  • ≥ c559a353410939c0884e83bdb0e2420a986ac53b, < 06ac8609d6d185ac18c1d6a6a8a9b99e398bd124
Fixed in
  • 06ac8609d6d185ac18c1d6a6a8a9b99e398bd124
LinuxLinuxAffected
  • =3.18
Fixed in–

Description

A NULL pointer dereference vulnerability exists in the usb gadget function f_fs in Microsoft software versions 3.0 and 4.0. This vulnerability could cause a denial of service or system instability if triggered.

References

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