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CVE-2026-33824: CWE-415: Double Free in Microsoft Windows 10 Version 1607

0
Critical
VulnerabilityCVE-2026-33824cvecve-2026-33824cwe-415gcve
Published: 04/14/2026 (04/14/2026, 16:58:45 UTC)
Source: CVE Database V5
Vendor/Project: Microsoft
Product: Windows 10 Version 1607

Description

Double free in Windows IKE Extension allows an unauthorized attacker to execute code over a network.

CVSS v3.1

Score 9.8critical

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Affected software

Microsoft

Windows 10 Version 1607

Affected versions
>=10.0.14393.0 <10.0.14393.9060

Microsoft

Windows 10 Version 1809

Affected versions
>=10.0.17763.0 <10.0.17763.8644

Microsoft

Windows 10 Version 21H2

Affected versions
>=10.0.19044.0 <10.0.19044.7184

Microsoft

Windows 10 Version 22H2

Affected versions
>=10.0.19045.0 <10.0.19045.7184

Microsoft

Windows 11 version 22H3

Affected versions
>=10.0.22631.0 <10.0.22631.6936

Microsoft

Windows 11 Version 23H2

Affected versions
>=10.0.22631.0 <10.0.22631.6936

Microsoft

Windows 11 Version 24H2

Affected versions
>=10.0.26100.0 <10.0.26100.8246

Microsoft

Windows 11 Version 25H2

Affected versions
>=10.0.26200.0 <10.0.26200.8246

Microsoft

Windows 11 version 26H1

Affected versions
>=10.0.28000.0 <10.0.28000.1836

Microsoft

Windows Server 2016

Affected versions
>=10.0.14393.0 <10.0.14393.9060

Microsoft

Windows Server 2016 (Server Core installation)

Affected versions
>=10.0.14393.0 <10.0.14393.9060

Microsoft

Windows Server 2019

Affected versions
>=10.0.17763.0 <10.0.17763.8644

Microsoft

Windows Server 2019 (Server Core installation)

Affected versions
>=10.0.17763.0 <10.0.17763.8644

Microsoft

Windows Server 2022

Affected versions
>=10.0.20348.0 <10.0.20348.5020

Microsoft

Windows Server 2022, 23H2 Edition (Server Core installation)

Affected versions
>=10.0.25398.0 <10.0.25398.2274

Microsoft

Windows Server 2025

Affected versions
>=10.0.26100.0 <10.0.26100.32690

Microsoft

Windows Server 2025 (Server Core installation)

Affected versions
>=10.0.26100.0 <10.0.26100.32690

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/15/2026, 14:11:54 UTC

Technical Analysis

This vulnerability (CVE-2026-33824) is a double free condition in the Windows IKE Extension on Windows 10 Version 1607 (build 10.0.14393.0). Exploiting this flaw could allow an unauthenticated attacker to execute arbitrary code remotely by sending specially crafted network packets. The vulnerability is classified under CWE-415 (Double Free). Microsoft has published an official fix to remediate this issue.

Potential Impact

Successful exploitation of this vulnerability could lead to remote code execution with no privileges required and no user interaction needed. This can result in full system compromise, including complete confidentiality, integrity, and availability loss on affected systems.

Mitigation Recommendations

An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33824 to remediate this vulnerability.

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Technical Details

Data Version
5.2
Assigner Short Name
microsoft
Date Reserved
2026-03-24T00:52:01.352Z
Cvss Version
3.1
State
PUBLISHED
Remediation Level
official-fix
Vendor Advisory Urls
[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33824","vendor":"Microsoft"}]

Threat ID: 69de7a3b82d89c981fd6cf42

Added to database: 04/14/2026, 17:32:43 UTC

Last enriched: 08/15/2026, 14:11:54 UTC

Last updated: 09/14/2026, 10:01:30 UTC

Views: 671

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