Microsoft · usb: typec: ucsi: glink: fix use-after-free of ucsi on remove
Affects MicrosoftSource GCVE Database
Not known to be exploited · fixed in ee8577de01c6b6c7dd1d76b52242c54d37a989f4 : patch Microsoft soon.
Data as of 28 Oct 2026, 09:29 UTC
Rated by Threat Radar · CVSS not yet scored by NVD
- Patch
- Available – fixed in ee8577de01c6b6c7dd1d76b52242c54d37a989f4, 41934f92e7a54d4080ac0b17aacc83224946785c, 432b58cd959e594909a581b4974396cdbc9d4ca1 +1
Exploitation evidence
Disclosed: evidence found.
CVE published 18 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: 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 26 Oct 2026.
What to do
Upgrade Linux to ee8577de01c6b6c7dd1d76b52242c54d37a989f4, 41934f92e7a54d4080ac0b17aacc83224946785c, 432b58cd959e594909a581b4974396cdbc9d4ca1 or 63b269ec537dc0fd26d0bd64872c26860d108c9d.
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– |
Description
A use-after-free vulnerability exists in the USB Type-C UCSI glink driver component in Microsoft products. This flaw occurs during the removal process, potentially leading to memory corruption.