flush dependency check · workqueue: Fix NULL current_pwq deref
Affects MicrosoftSource GCVE Database
Not known to be exploited · fixed in f97e6d0572d1b39998e053732332bc3cfdd0b9aa : update Microsoft when convenient.
Data as of 28 Oct 2026, 09:13 UTC
Rated Medium by Threat Radar's AI analysis · CVSS not yet scored by NVD
- Patch
- Available – fixed in f97e6d0572d1b39998e053732332bc3cfdd0b9aa, db6365ced4d5855e321f772b240c0e473bcfcdd5, cc190a6a1d20b87e6a9435202fc2a3bd84c79fb3 +5
Exploitation evidence
Disclosed: evidence found.
CVE published 18 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 to a fixed release listed under Affected software.
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
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
Description
A vulnerability identified as CVE-2026-98537 affects Microsoft products version 3.0 and 4.0. It involves a NULL pointer dereference in the workqueue component during a flush dependency check, which could potentially lead to a denial of service or system instability. No CVSS score or detailed impact information is provided.