CVE-2026-64188: net: qualcomm: rmnet: fix endpoint use-after-free in rmnet_dellink()
CSIRTS triage
- What
- A use-after-free vulnerability in Qualcomm's rmnet has been fixed.
- Who is affected
- No specific deployments or versions are mentioned.
- Urgency
- The urgency is medium with a CVSS score of 5.5.
- Action
- Apply the relevant patches for CVE-2026-64188.
AI-assisted analysis generated from the source advisory — verify against the original.
Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-64188
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-641880.12% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 2% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-64188 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
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- highCVE-2026-64550: In the Linux kernel, the following vulnerability has been resolved: net: qualcomm: rmnet: vali…nvd · 2026-07-27
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