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CVE-2026-98669VulnerabilityPublished Updated

Microsoft · iio: buffer: serialize buffer teardown with mode claims

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-98669· Medium

Not known to be exploited · fixed in e63188d77e10c0951bf67da6c295f768fd1abf4b : update Microsoft when convenient.

Data as of 7 Nov 2026, 12:19 UTC

Severity
Medium

Rated by Threat Radar · CVSS not yet scored by NVD

Thin evidence

One scorer or none
Patch
Available – fixed in e63188d77e10c0951bf67da6c295f768fd1abf4b, cebbecb26d22368440c4779f8275d790cf347177, b466db9e68b4741af85f6c017e2bb0a2f025053f +6

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
  • >=5.15.137 <5.15.224
  • >=6.1.60 <6.1.191
Fixed in
  • e63188d77e10c0951bf67da6c295f768fd1abf4b
  • cebbecb26d22368440c4779f8275d790cf347177
  • b466db9e68b4741af85f6c017e2bb0a2f025053f
  • 261f54966ebf45ced5fe5e1fe5119c6c44e140ab
  • 89f3852a28fcf7bab599280cb082baa0675536db
  • 84bb0fc46ccf6a545b8fdf57cda83770186ed8dd
  • 6a728408ff522b749c2a3c7e68f44e861fa0dbfb
  • 6.1.191
  • 5.15.224
LinuxLinuxAffected
  • =6.2
Fixed in–

Description

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

References

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