CVE-2026-62840

Linux Kernel Elevation of Privilege Vulnerability

Published Oct 13, 2026 CVSS 3.1 · 7 High EPSS < 1% KEV · Not listed
Description
Time-of-check time-of-use (toctou) race condition in Linux Kernel allows an authorized attacker to elevate privileges locally.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:microsoft:linux_kernel_mana_network_driver:*:*:*:*:*:*:*:*
Vendors & Products Microsoft linux Kernel Mana Network Driver
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Time-of-check time-of-use (toctou) race condition in Linux Kernel allows an authorized attacker to elevate privileges locally.
Title Linux Kernel Elevation of Privilege Vulnerability
First Time appeared Microsoft
Microsoft linux 3p \(third Party\) Distros
Microsoft linux Kernel Mana Network Driver
Weaknesses CWE-367
CPEs cpe:2.3:a:microsoft:linux_3p_\(third_party\)_distros:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:linux_kernel_mana_network_driver:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft linux 3p \(third Party\) Distros
Microsoft linux Kernel Mana Network Driver
References
Metrics cvssV3_1

{'score': 7, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
microsoft
Published
Updated
Nov 10, 2026, 8:43 PM
Reserved
Jul 14, 2026, 9:10 PM
Status
Awaiting Analysis
Published
Oct 13, 2026, 9:17 PM
Modified
Oct 16, 2026, 2:17 PM