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CVE-2026-33824

CRITICAL

9.8

CVSS 3.1

Metadata

CVE ID: CVE-2026-33824
State: PUBLISHED
Assigner: microsoft
Reserved: 2026-03-24 00:52 UTC
Published: 2026-04-14 16:58 UTC
Last updated: 2026-06-19 16:08 UTC
Primary CWE: CWE-415
CWE-415: Double Free
Vendor / Product: Microsoft / Windows 10 Version 1607
Sources: cve.org · NVD

Severity & Metrics

9.8 CRITICAL CVSS 3.1

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

SSVC — CISA Coordinator

Exploitation: none
Automatable: yes
Tech. Impact: total

Affected products (17)

Vendor	Product	Platform	Versions
Microsoft	Windows 10 Version 1607	32-bit Systems,x64-based Systems	10.0.14393.0 < 10.0.14393.9060
Microsoft	Windows 10 Version 1809	32-bit Systems,x64-based Systems	10.0.17763.0 < 10.0.17763.8644
Microsoft	Windows 10 Version 21H2	32-bit Systems,ARM64-based Systems,x64-based Systems	10.0.19044.0 < 10.0.19044.7184
Microsoft	Windows 10 Version 22H2	32-bit Systems,ARM64-based Systems,x64-based Systems	10.0.19045.0 < 10.0.19045.7184
Microsoft	Windows 11 version 22H3	ARM64-based Systems	10.0.22631.0 < 10.0.22631.6936
Microsoft	Windows 11 Version 23H2	x64-based Systems	10.0.22631.0 < 10.0.22631.6936
Microsoft	Windows 11 Version 24H2	ARM64-based Systems,x64-based Systems	10.0.26100.0 < 10.0.26100.8246
Microsoft	Windows 11 Version 25H2	ARM64-based Systems,x64-based Systems	10.0.26200.0 < 10.0.26200.8246
Microsoft	Windows 11 version 26H1	ARM64-based Systems,x64-based Systems	10.0.28000.0 < 10.0.28000.1836
Microsoft	Windows Server 2016	x64-based Systems	10.0.14393.0 < 10.0.14393.9060
Microsoft	Windows Server 2016 (Server Core installation)	x64-based Systems	10.0.14393.0 < 10.0.14393.9060
Microsoft	Windows Server 2019	x64-based Systems	10.0.17763.0 < 10.0.17763.8644
Microsoft	Windows Server 2019 (Server Core installation)	x64-based Systems	10.0.17763.0 < 10.0.17763.8644
Microsoft	Windows Server 2022	x64-based Systems	10.0.20348.0 < 10.0.20348.5020
Microsoft	Windows Server 2022, 23H2 Edition (Server Core installation)	x64-based Systems	10.0.25398.0 < 10.0.25398.2274
Microsoft	Windows Server 2025	x64-based Systems	10.0.26100.0 < 10.0.26100.32690
Microsoft	Windows Server 2025 (Server Core installation)	x64-based Systems	10.0.26100.0 < 10.0.26100.32690

Weakness (CWE)

CWE	Source	Description
CWE-415	cna	CWE-415: Double Free

CVSS scores (1)

Score	Severity	Version	Source	Vector
9.8	CRITICAL	3.1	cna	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

References (1)

Windows Internet Key Exchange (IKE) Service Extensions Remote Code Execution Vulnerability https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33824

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