calipso_skbuff_setattr() · calipso: keep BIG TCP payload_len
Affects MicrosoftSource GCVE Database
Not known to be exploited · fixed in 8070ed578b6b9134e045627fb745c887a806d46e : update Microsoft when convenient.
Data as of 29 Oct 2026, 11:33 UTC
Rated by Threat Radar · CVSS not yet scored by NVD
Thin evidence
One scorer or none- Patch
- Available – fixed in 8070ed578b6b9134e045627fb745c887a806d46e, 8ee0e03663826a76507048d58466b29321a57656, 1c9fcfca51e3c5cd46dd72a4da74d56eff183513
Exploitation evidence
Disclosed: evidence found.
CVE published 28 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 29 Oct 2026.
What to do
Upgrade Linux to 8070ed578b6b9134e045627fb745c887a806d46e, 8ee0e03663826a76507048d58466b29321a57656 or 1c9fcfca51e3c5cd46dd72a4da74d56eff183513.
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– |
Description
CVE-2026-99191 is a vulnerability related to handling large TCP payload lengths in the calipso_skbuff_setattr() function of Microsoft software version 3.0. No detailed technical or impact information is provided beyond this indication.