CVE-2026-62780

Severity CVSS v4.0:

Pending analysis

Type:

CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Publication date:

11/08/2026

Last modified:

13/08/2026

Description

Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.00 HIGH
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

7.00

Severity 3.x

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:microsoft:windows_11_23h2:::::::arm64:*		10.0.22631.7517 (excluding)
cpe:2.3:o:microsoft:windows_11_23h2:::::::x64:*		10.0.22631.7517 (excluding)
cpe:2.3:o:microsoft:windows_11_24h2:::::::arm64:*		10.0.26100.9106 (excluding)
cpe:2.3:o:microsoft:windows_11_24h2:::::::x64:*		10.0.26100.9106 (excluding)
cpe:2.3:o:microsoft:windows_11_25h2:::::::arm64:*		10.0.26200.9106 (excluding)
cpe:2.3:o:microsoft:windows_11_25h2:::::::x64:*		10.0.26200.9106 (excluding)
cpe:2.3:o:microsoft:windows_11_26h1:::::::arm64:*		10.0.28000.2704 (excluding)
cpe:2.3:o:microsoft:windows_11_26h1:::::::x64:*		10.0.28000.2704 (excluding)
cpe:2.3:o:microsoft:windows_server_2025::::::::		10.0.26100.33222 (excluding)

To consult the complete list of CPE names with products and versions, see this page

References to Advisories, Solutions, and Tools

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62780