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CVE-2026-44802

HIGH

7.8

CVSS 3.1

Metadata

CVE ID: CVE-2026-44802
State: PUBLISHED
Assigner: microsoft
Reserved: 2026-05-07 20:07 UTC
Published: 2026-06-09 17:06 UTC
Last updated: 2026-06-10 17:55 UTC
Primary CWE: CWE-416
CWE-416: Use After Free
Vendor / Product: Microsoft / Windows 10 Version 1809
Sources: cve.org · NVD

Severity & Metrics

7.8 HIGH CVSS 3.1

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

SSVC — CISA Coordinator

Exploitation: none
Automatable: no
Tech. Impact: total

Affected products (13)

Vendor	Product	Platform	Versions
Microsoft	Windows 10 Version 1809	32-bit Systems,x64-based Systems	10.0.17763.0 < 10.0.17763.8880
Microsoft	Windows 10 Version 21H2	32-bit Systems,ARM64-based Systems,x64-based Systems	10.0.19044.0 < 10.0.19044.7417
Microsoft	Windows 10 Version 22H2	32-bit Systems,ARM64-based Systems,x64-based Systems	10.0.19045.0 < 10.0.19045.7417
Microsoft	Windows 11 version 23H2	ARM64-based Systems	10.0.22631.0 < 10.0.22631.7219
Microsoft	Windows 11 Version 23H2	x64-based Systems	10.0.22631.0 < 10.0.22631.7219
Microsoft	Windows 11 Version 24H2	ARM64-based Systems,x64-based Systems	10.0.26100.0 < 10.0.26100.8655
Microsoft	Windows 11 Version 25H2	ARM64-based Systems,x64-based Systems	10.0.26200.0 < 10.0.26200.8655
Microsoft	Windows 11 version 26H1	ARM64-based Systems,x64-based Systems	10.0.28000.0 < 10.0.28000.2269
Microsoft	Windows Server 2019	x64-based Systems	10.0.17763.0 < 10.0.17763.8880
Microsoft	Windows Server 2019 (Server Core installation)	x64-based Systems	10.0.17763.0 < 10.0.17763.8880
Microsoft	Windows Server 2022	x64-based Systems	10.0.20348.0 < 10.0.20348.5256
Microsoft	Windows Server 2025	x64-based Systems	10.0.26100.0 < 10.0.26100.32995
Microsoft	Windows Server 2025 (Server Core installation)	x64-based Systems	10.0.26100.0 < 10.0.26100.32995

Weakness (CWE)

CWE	Source	Description
CWE-416	cna	CWE-416: Use After Free

CVSS scores (1)

Score	Severity	Version	Source	Vector
7.8	HIGH	3.1	cna	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

References (1)

Windows DWM Core Library Elevation of Privilege Vulnerability https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44802

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