HIGH

CVE-2026-98318

CVSS v3

7.8

HIGH

EPSS Score

0.2 %

exploit probability, as of 2026-10-06

CISA KEV

known exploited

Exploitation

—

SSVC status

Description

In the Linux kernel, the following vulnerability has been resolved: smb: client: validate absolute native symlink targets before NT fixups With symlinkroot unset, an absolute target is copied without conversion to an NT drive path. Later code still assumes an NT prefix is present when modifying the target and calculating the print name length. For "/ab", this causes two failures: sym[5] and path[5] are written past their allocations, and plen -= 2 * poff subtracts an assumed 8-byte prefix fro

Technical details

CVSS v3 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published: 2026-10-06
Last Modified: 2026-10-07

Frequently asked questions

What is CVE-2026-98318?

Is CVE-2026-98318 actively exploited?

Active exploitation of CVE-2026-98318 has not been confirmed. Its EPSS score was 0.2% on 2026-10-06, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-98318?

CVE-2026-98318 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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