CVE-2026-46299: hfsplus: fix held lock freed on hfsplus_fill_super()
CSIRTS triage
- What
- The vulnerability involves a fix related to a held lock being freed.
- Who is affected
- Deployments using hfsplus are affected.
- Urgency
- Remediation is medium urgency as it may affect file system stability.
- Action
- No specific action is provided.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-46299
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-2026-462990.09% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 1% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-46299 | coverage & exploitation status | NVD · CVE.org |
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