Microsoft · host1x: bus: Fix missing ops null check in error teardown
Affects MicrosoftSource GCVE Database
Not known to be exploited · fixed in f1fa6c936fa9de80ae446ba5e76e227e991b8e56 : update Microsoft when convenient.
Data as of 2 Nov 2026, 10:58 UTC
Rated by Threat Radar · CVSS not yet scored by NVD
Thin evidence
One scorer or none- EPSS
- 0.1% chance of exploitation in 30 days – higher than 7% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in f1fa6c936fa9de80ae446ba5e76e227e991b8e56, d8d5b6e02fc281dea33d6b0b0fadaccea56f2067, 62851e7b0e55de6fe08da08bc41fd587fbcb0e9b +3
Exploitation evidence
Disclosed: evidence found.
CVE published 23 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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AI-suggested
Since no exploit is known in the wild, immediate urgent action may not be required.
Description
CVE-2026-98876 addresses a vulnerability in Microsoft software versions 3.0 and 4.0 related to the host1x bus component, where a missing null check on operations during error teardown could lead to unexpected behavior. The advisory does not provide detailed impact or exploitation information.