Microsoft · writeback: report a Tasks-RCU quiescent state per cgwb drain pass
Affects MicrosoftSource GCVE Database
Not known to be exploited · fixed in fd3bf32279df98751364b3609eb100a3e42f253b : patch Microsoft soon.
Data as of 2 Nov 2026, 10:58 UTC
Rated by Threat Radar · CVSS not yet scored by NVD
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 11% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in fd3bf32279df98751364b3609eb100a3e42f253b, ebf1555ad2821be06f87a88ffd9a2cab8d2200e1, 863049b4018237d1590cd13b16e9fe9c0faad2c6 +4
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 2 Nov 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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Description
CVE-2026-98536 is a reported vulnerability related to Microsoft software versions 3.0 and 4.0. The provided information is minimal and does not describe the nature of the vulnerability, its impact, or exploitation details. No CVSS score or detailed technical data is available.