CVE-2026-62840
High
Description
Time-of-check time-of-use (toctou) race condition in Linux Kernel allows an authorized attacker to elevate privileges locally.
SeverityHigh
CVSS7.0
Exploit probability—
Product
Linux 3P (Third Party) Distros
PublishedOct 13, 2026
First seenOct 13, 2026
Weakness typeCWE-367CWE-367
How to fix
Update
- Microsoft Linux 3P (Third Party) Distros7.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Microsoft Linux 3P (Third Party) Distros | 1.0.0 ≤ v < 7.3 | 7.3 |
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