Microsoft · wifi: mwifiex: fix IRQ leak using wrong index in MSI-X error path
Affects MicrosoftSource GCVE Database
Not known to be exploited · fixed in fcac5813f324cd07dfd36b4adf624fc70f7587d6 : update Microsoft when convenient.
Data as of 2 Nov 2026, 10:58 UTC
Rated by Threat Radar · CVSS not yet scored by NVD
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 12% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in fcac5813f324cd07dfd36b4adf624fc70f7587d6, a3d722190cdef18da4878b5efc27c3c386dda248, 2761b21cb896b1da8dd46cee5084c9032b2d7098 +5
Exploitation evidence
Disclosed: evidence found.
CVE published 14 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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 2 Nov 2026.
What to do
Upgrade to a fixed release listed under Affected software.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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Description
This vulnerability involves an IRQ leak caused by using an incorrect index in the MSI-X error path within the mwifiex WiFi driver. It affects Microsoft products with versions 3.0 and 4.0. No CVSS score or detailed impact information is provided, and there is no indication of active exploitation in the wild.