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CVE-2026-98772VulnerabilityPublished Updated

Microsoft · USB: serial: fix port tear down use-after-free

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-98772· High

Not known to be exploited · fixed in e80ee74206f260eb1282e7d1339ff146a4a410d0 : patch Microsoft soon.

Data as of 7 Nov 2026, 12:19 UTC

Severity
High

Rated by Threat Radar · CVSS not yet scored by NVD

Thin evidence

One scorer or none
Patch
Available – fixed in e80ee74206f260eb1282e7d1339ff146a4a410d0, e4a6883ad9b4686a5f4bd90ff55a44d7ab65bd3c, bf296d7b75bfd49dc519ad0406e89ddc5c3f02e3 +5

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 18 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 7 Nov 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • ≥ 2d93148ab6988cad872e65d694c95e8944e1b626, < e80ee74206f260eb1282e7d1339ff146a4a410d0
Fixed in
  • e80ee74206f260eb1282e7d1339ff146a4a410d0
LinuxLinuxAffected
  • ≥ 2d93148ab6988cad872e65d694c95e8944e1b626, < e4a6883ad9b4686a5f4bd90ff55a44d7ab65bd3c
Fixed in
  • e4a6883ad9b4686a5f4bd90ff55a44d7ab65bd3c
LinuxLinuxAffected
  • ≥ 2d93148ab6988cad872e65d694c95e8944e1b626, < bf296d7b75bfd49dc519ad0406e89ddc5c3f02e3
Fixed in
  • bf296d7b75bfd49dc519ad0406e89ddc5c3f02e3
LinuxLinuxAffected
  • ≥ 2d93148ab6988cad872e65d694c95e8944e1b626, < 94601d83fc4811485ca6fb1d50bece589fe1c24d
Fixed in
  • 94601d83fc4811485ca6fb1d50bece589fe1c24d
LinuxLinuxAffected
  • ≥ 2d93148ab6988cad872e65d694c95e8944e1b626, < 60cc9379c3e650d1ebfba4de63f1242537a62a32
Fixed in
  • 60cc9379c3e650d1ebfba4de63f1242537a62a32
LinuxLinuxAffected
  • ≥ 2d93148ab6988cad872e65d694c95e8944e1b626, < 33c920f7c5952dfc42d1b8ea6efe16b1f0bb0c5b
Fixed in
  • 33c920f7c5952dfc42d1b8ea6efe16b1f0bb0c5b

Description

To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

References

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