Microsoft · net/sched: sch_hfsc: bound the classify inner-filter walk with a drift budget
Affects MicrosoftSource GCVE Database
Not known to be exploited · fixed in f476fb656ca2326d7b2eba98d03ced1cbcf5cd99 : patch Microsoft soon.
Data as of 2 Nov 2026, 08:45 UTC
Rated by Threat Radar · CVSS not yet scored by NVD
- Patch
- Available – fixed in f476fb656ca2326d7b2eba98d03ced1cbcf5cd99, e8f9979286f70dfbfe0552e2a63000950841bea6, d4fd251e3311727c32af89344d3332f788c153a2 +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 1 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
This vulnerability, identified as CVE-2026-98610, relates to the net/sched component's sch_hfsc classifier in Microsoft software versions 3.0 and 4.0. The issue involves bounding the classify inner-filter walk with a drift budget. No further technical details or impact descriptions are provided.