Microsoft · serial: 8250_port: recognize UPIO_AU
Affects MicrosoftSource GCVE Database
Not known to be exploited : upgrade to 49fa670efdfdd27e29145cbd2beef065c08717ef or 9f67997353caa29c6a080789a1fb6e01fb50c118 when convenient.
Data as of 28 Oct 2026, 08:57 UTC
Rated by Threat Radar · CVSS not yet scored by NVD
- Patch
- Available – fixed in 49fa670efdfdd27e29145cbd2beef065c08717ef, 9f67997353caa29c6a080789a1fb6e01fb50c118
Exploitation evidence
Disclosed: evidence found.
CVE published 23 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 49fa670efdfdd27e29145cbd2beef065c08717ef or 9f67997353caa29c6a080789a1fb6e01fb50c118.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| LinuxLinux | Affected
| Fixed in
|
| LinuxLinux | Affected
| Fixed in
|
| LinuxLinux | Affected
| Fixed in– |
Description
CVE-2026-98883 is a published vulnerability related to Microsoft software versions 3.0 and 4.0. The provided information does not include technical details about the nature of the vulnerability, its impact, or exploitation methods.