CVE-2026-62840

Linux Kernel Elevation of Privilege Vulnerability

State
Published
Severity
7.0 High
Published
Oct 13, 2026
Updated
Oct 31, 2026
Reserved
Jul 14, 2026

Read the record on cve.org

Description

Time-of-check time-of-use (toctou) race condition in Linux Kernel allows an authorized attacker to elevate privileges locally.

Scores

CVSSScoreVectorSource
3.17.0 HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Cmicrosoft

Weaknesses

  • CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition

Affected Products

ProductVersions
Linux 3P (Third Party) DistrosMicrosoft
  • 1.0.0 to before 7.3Affected

References

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