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CVE-2026-98668VulnerabilityPublished Updated

Microsoft · iio: buffer: Ensure bounce buffer used for unaligned case is zeroed

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-98668· Medium

Not known to be exploited · fixed in b953b8d5e6f2d53e81faa0f3b42856cdf16fe563 : update Microsoft when convenient.

Data as of 7 Nov 2026, 12:33 UTC

Severity
Medium

Rated by Threat Radar · CVSS not yet scored by NVD

Thin evidence

One scorer or none
Patch
Available – fixed in b953b8d5e6f2d53e81faa0f3b42856cdf16fe563, b134ef820610bd873c9d59999d9824710964ce82, b5c2f21f645e40c70fda2a4283e6f2a81e5cb9f2 +3

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
  • ≥ 95ec3fdf2b79eaff79e78688bbc2f7dbb98d68b6, < b953b8d5e6f2d53e81faa0f3b42856cdf16fe563
Fixed in
  • b953b8d5e6f2d53e81faa0f3b42856cdf16fe563
LinuxLinuxAffected
  • ≥ 95ec3fdf2b79eaff79e78688bbc2f7dbb98d68b6, < b134ef820610bd873c9d59999d9824710964ce82
Fixed in
  • b134ef820610bd873c9d59999d9824710964ce82
LinuxLinuxAffected
  • ≥ 95ec3fdf2b79eaff79e78688bbc2f7dbb98d68b6, < b5c2f21f645e40c70fda2a4283e6f2a81e5cb9f2
Fixed in
  • b5c2f21f645e40c70fda2a4283e6f2a81e5cb9f2
LinuxLinuxAffected
  • ≥ 95ec3fdf2b79eaff79e78688bbc2f7dbb98d68b6, < b4f53cec8cc94b37601ce0bb2b272b6753beed98
Fixed in
  • b4f53cec8cc94b37601ce0bb2b272b6753beed98
LinuxLinuxAffected
  • ≥ 95ec3fdf2b79eaff79e78688bbc2f7dbb98d68b6, < 5330036bc68d23672bfcc16c60c54701ae123083
Fixed in
  • 5330036bc68d23672bfcc16c60c54701ae123083
LinuxLinuxAffected
  • ≥ 95ec3fdf2b79eaff79e78688bbc2f7dbb98d68b6, < 3a87212b1a09a1fdd730ce5520f7b1fc0b488511
Fixed in
  • 3a87212b1a09a1fdd730ce5520f7b1fc0b488511

Description

This vulnerability involves the iio buffer handling in Microsoft software versions 3.0 and 4.0, where the bounce buffer used for unaligned cases may not be properly zeroed. The issue was published on October 20, 2026. No CVSS score or detailed impact information is provided.

References

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