CVE-2026-64379
⚠️ highSummary
In the Linux kernel, the following vulnerability has been resolved: smb: client: mask server-provided mode to 07777 in modefromsid When modefromsid is active, parse_dacl() applies the server-provided sub_auth[2] value from the NFS mode SID to cf_mode without masking to 07777. Apply the correct masking, same as in the read path.
CVSS Score
7.1
High
EPSS Score
0.3
Exploit Probability
Published Date
2026-07-25
First Seen: 2026-07-31
📊 Relative Risk Intelligence
This CVE is Moderate Risk - more severe than 52.9% of all 340,405 vulnerabilities in our database.
#160,236
Above average severity
Severity Percentile
Last Modified
2026-07-27
Source
NVD 🔗
CVSS Vector 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H