Microsoft · usb: chipidea: udc: fix DMA and SG cleanup in _ep_nuke()
Affects MicrosoftSource GCVE Database
Not known to be exploited · fixed in f4fbf2d4750d12ac8525d2efac1016fa0d84d4ec : patch Microsoft soon.
Data as of 9 Nov 2026, 23:24 UTC
Rated by Threat Radar · No CVSS score from NVD or the CNA
Thin evidence
One scorer or none- EPSS
- 0.1% chance of exploitation in 30 days – higher than 5% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in f4fbf2d4750d12ac8525d2efac1016fa0d84d4ec, e74c436f8568af1c60942469d0a2300b3ada3857, cea2a1257a3b5ea3e769a445b34af13e6aa5a123 +3
Exploitation evidence
Disclosed: evidence found.
CVE published 6 May 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 10 Nov 2026.
What to do
Upgrade to a fixed release listed under Affected software.
Affected software
| Product | 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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| LinuxLinux | Affected
| Fixed in
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Description
CVE-2026-43250 is a vulnerability related to USB chipidea UDC driver handling, specifically addressing DMA and scatter-gather cleanup in the _ep_nuke() function. The vulnerability affects version 3.0 of the Microsoft product. No CVSS score or detailed technical impact is provided.