ibmasm_send_i2o_message() · ibmasm: fix heap over-read
Affects MicrosoftSource GCVE Database
Not known to be exploited.
Data as of 30 Oct 2026, 11:52 UTC
Rated by Threat Radar · No CVSS score from NVD or the CNA
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 3% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Exploitation evidence
Disclosed: evidence found.
CVE published 2 May 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 30 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Microsoft Security Response Center Microsoft | Affected
| Fixed in– |
AI-suggested
No vendor advisory or patch links are provided in the available data. Monitor official Microsoft Security Response Center communications for updates and apply patches when available.
Description
CVE-2026-46064 is a vulnerability in the ibmasm component related to a heap over-read in the function ibmasm_send_i2o_message(). The available information does not provide detailed technical specifics or impact scenarios. There is no CVSS score or vendor advisory content specifying patch or mitigation status. No known exploits in the wild have been reported. The affected products include Microsoft and Azure Linux 3.0 versions. Due to the lack of detailed impact data, the severity is assessed as medium based on the nature of heap over-read vulnerabilities.