Microsoft · sctp: check RCV_SHUTDOWN after the sendmsg connect wait
Affects MicrosoftSource GCVE Database
Not known to be exploited · fixed in fe5a23c76fc48b711eb7d6f3462c994e34da36f9 : patch Microsoft soon.
Data as of 7 Nov 2026, 12:35 UTC
Rated by Threat Radar · CVSS not yet scored by NVD
Thin evidence
One scorer or none- Patch
- Available – fixed in fe5a23c76fc48b711eb7d6f3462c994e34da36f9, e701345d886e831fb593a0870d69c8c5de6fc938, e8f972b1759d26bbefe4c524caae1ed7c8a593bd +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
|
| LinuxLinux | Affected
| Fixed in
|
| LinuxLinux | Affected
| Fixed in
|
| LinuxLinux | Affected
| Fixed in
|
| LinuxLinux | Affected
| Fixed in
|
| LinuxLinux | Affected
| Fixed in
|
Description
CVE-2026-98846 is a vulnerability related to the SCTP protocol implementation in Microsoft products, specifically affecting versions 3.0 and 4.0. The description references checking RCV_SHUTDOWN after the sendmsg connect wait, but no further technical details or impact information are provided.