Microsoft · tty: tty_port: restore TTY_IO_ERROR on activation failure
Affects MicrosoftSource GCVE Database
Not known to be exploited · fixed in e24625bff786fa3f22cc38b5038362b910621e83 : patch Microsoft soon.
Data as of 7 Nov 2026, 12:47 UTC
Rated by Threat Radar · CVSS not yet scored by NVD
Thin evidence
One scorer or none- Patch
- Available – fixed in e24625bff786fa3f22cc38b5038362b910621e83, 6388409b711eb91b14fa075a4d861ccc4df1cfe7, 56964f6a31238fb41d5830bb42520c5b10ff7d8f +5
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 7 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
CVE-2026-98753 is a published vulnerability related to the tty subsystem in Microsoft software, specifically involving the restoration of TTY_IO_ERROR on activation failure. The advisory does not provide detailed technical information or impact specifics. Affected versions are exactly 3.0 and 4.0. No CVSS score or exploit information is available.