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CVE-2026-98711VulnerabilityPublished Updated

Microsoft · wifi: cw1200: fix TX padding OOB read leaking heap data to device

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-98711· High

Not known to be exploited · fixed in b66539a4dab128fafaad736b53ce15c19d14d561 : patch Microsoft soon.

Data as of 7 Nov 2026, 13:47 UTC

Severity
High

Rated by Threat Radar · CVSS not yet scored by NVD

Thin evidence

One scorer or none
Patch
Available – fixed in b66539a4dab128fafaad736b53ce15c19d14d561, b0e97bd40e0c2cb1a3530ef8f6250aacf3224515, a7eae7547ae1443bfbca2cb90d3ef5e501d6445c +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
  • ≥ a910e4a94f6923c8c988565525f017f687bf7205, < b66539a4dab128fafaad736b53ce15c19d14d561
Fixed in
  • b66539a4dab128fafaad736b53ce15c19d14d561
LinuxLinuxAffected
  • ≥ a910e4a94f6923c8c988565525f017f687bf7205, < b0e97bd40e0c2cb1a3530ef8f6250aacf3224515
Fixed in
  • b0e97bd40e0c2cb1a3530ef8f6250aacf3224515
LinuxLinuxAffected
  • ≥ a910e4a94f6923c8c988565525f017f687bf7205, < a7eae7547ae1443bfbca2cb90d3ef5e501d6445c
Fixed in
  • a7eae7547ae1443bfbca2cb90d3ef5e501d6445c
LinuxLinuxAffected
  • ≥ a910e4a94f6923c8c988565525f017f687bf7205, < 5897945635aa5413595bf696127493be96c08e2d
Fixed in
  • 5897945635aa5413595bf696127493be96c08e2d
LinuxLinuxAffected
  • ≥ a910e4a94f6923c8c988565525f017f687bf7205, < 678c8f4ba285649d5418a858d5d4f30c728a54ad
Fixed in
  • 678c8f4ba285649d5418a858d5d4f30c728a54ad
LinuxLinuxAffected
  • ≥ a910e4a94f6923c8c988565525f017f687bf7205, < 71f693a0ecccf36532dd2790f7969da6c71d5d23
Fixed in
  • 71f693a0ecccf36532dd2790f7969da6c71d5d23

Description

A vulnerability identified as CVE-2026-98711 affects Microsoft products, specifically versions 3.0 and 4.0. It involves an out-of-bounds (OOB) read in the wifi cw1200 driver related to TX padding, which can leak heap data to the device. The vulnerability has been published but lacks detailed technical or impact information and no CVSS score is available.

References

Community reviews

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