CVE-2026-53027
CSIRTS triage
- What
- The vulnerability involves a missing run load for vcn0 in the attr_data_get_block_locked function.
- Who is affected
- Deployments using the fs/ntfs3 filesystem.
- Urgency
- Remediation is critical urgency due to the high severity rating.
- Action
- Apply the latest patches for fs/ntfs3.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.15% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 5% of all EPSS-scored CVEs.
Advisory coverage (1)
- criticalCVE-2026-53027: fs/ntfs3: fix missing run load for vcn0 in attr_data_get_block_locked()msrc · 2026-06-09
External references
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[](https://www.csirts.com/cve/CVE-2026-53027)