Critical severity · published Aug 15, 2026
CVE-2026-72206
ntfs: validate index block header more strictly
9.8
CVSS
0.6%
EPSS
No
On KEV
Description
In the Linux kernel, the following vulnerability has been resolved:
ntfs: validate index block header more strictly
Modify ntfs_index_block_inconsisent() to perform stricter validation of
INDEX_HEADER geometry in INDX blocks, and update
ntfs_lookup_inode_by_name() to use that function to validate INDX
blocks.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 46% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Linux · Linux
1e9ea7e04472d4e5e12e58c881eaacfb3e49b669 before 34a49b3e94a50f45b62c6e6f574f676a079ba23e; 1e9ea7e04472d4e5e12e58c881eaacfb3e49b669 before 14bc34fe948523dc2b0174691f9af9e74eb4f3fd; 7.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-72206
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-72206
git.kernel.org
https://git.kernel.org/stable/c/14bc34fe948523dc2b0174691f9af9e74eb4f3fd
git.kernel.org
https://git.kernel.org/stable/c/34a49b3e94a50f45b62c6e6f574f676a079ba23e
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