Skip to main content
CVE-2026-98942VulnerabilityPublished Updated

Microsoft · sched_ext: Build the cid tables privately and publish them with RCU

Affects MicrosoftSource GCVE Database

0
Authoritative record:CVE-2026-98942· Medium

Not known to be exploited : upgrade to 3a773220d39ba993dfe5d135f8b610be10794d5d or 0e1a74369bdbc357d3d9713734418d914a981553 when convenient.

Data as of 28 Oct 2026, 08:45 UTC

Severity
Medium

Rated by Threat Radar · CVSS not yet scored by NVD

Patch
Available – fixed in 3a773220d39ba993dfe5d135f8b610be10794d5d, 0e1a74369bdbc357d3d9713734418d914a981553

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 23 Oct 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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 3a773220d39ba993dfe5d135f8b610be10794d5d or 0e1a74369bdbc357d3d9713734418d914a981553.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • ≥ e9b55af47edf6e60c9a47b5604c3e15c5162ec86, < 3a773220d39ba993dfe5d135f8b610be10794d5d
Fixed in
  • 3a773220d39ba993dfe5d135f8b610be10794d5d
LinuxLinuxAffected
  • ≥ e9b55af47edf6e60c9a47b5604c3e15c5162ec86, < 0e1a74369bdbc357d3d9713734418d914a981553
Fixed in
  • 0e1a74369bdbc357d3d9713734418d914a981553
LinuxLinuxAffected
  • =7.2
Fixed in–

Description

CVE-2026-98942 is a vulnerability related to the sched_ext component in Microsoft software versions 3.0 and 4.0. The issue involves building the cid tables privately and publishing them with RCU (Read-Copy-Update). No detailed impact or exploitation information is provided.

References

Community reviews

Loading reviews…