CVE-2026-53023: fs/ntfs3: terminate the cached volume label after UTF-8 conversion

highCVSS 7.1CVE-2026-53023

CSIRTS triage

vendor: ntfs3 product: ntfs3Other

What: This vulnerability involves terminating the cached volume label after UTF-8 conversion.
Who is affected: Deployments of ntfs3 are affected.
Urgency: Remediation is high urgency due to the high severity rating.
Action: Update to the patched version of ntfs3.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity: high — CVSS 7.1
Published: 2026-06-09
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-53023

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-2026-530230.17% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 7% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-53023	coverage & exploitation status	NVD · CVE.org

Recent advisories for fs/ntfs3

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

criticalCVE-2026-53027: fs/ntfs3: fix missing run load for vcn0 in attr_data_get_block_locked()msrc · 2026-06-09