Microsoft · net: dsa: mt7530: fix NULL dereference on unbind of MT7531 and MT7621
Affects MicrosoftSource GCVE Database
Not known to be exploited · fixed in e9a5298532780ecdd05c3220f3e1e3067b3537c3 : update Microsoft when convenient.
Data as of 2 Nov 2026, 10:58 UTC
Rated Medium by Threat Radar's AI analysis · CVSS not yet scored by NVD
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 9% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in e9a5298532780ecdd05c3220f3e1e3067b3537c3, c2cdef41e0b4d8ed23a5b41e6ad4e64594e055e4, bd172580e624bac00d83abd5c4320d2e14d853bc +2
Exploitation evidence
Disclosed: evidence found.
CVE published 18 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– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
Description
This vulnerability involves a NULL pointer dereference occurring during the unbind operation of MT7531 and MT7621 components in Microsoft software versions 3.0 and 4.0. The issue can cause a system crash or instability when the affected components are unbound.