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CVE-2026-55000

MEDIUM

6.4

CVSS 3.1

Metadata

CVE ID: CVE-2026-55000
State: PUBLISHED
Assigner: microsoft
Reserved: 2026-06-16 14:10 UTC
Published: 2026-07-14 17:04 UTC
Last updated: 2026-07-14 19:36 UTC
Primary CWE: CWE-416
CWE-416: Use After Free
Vendor / Product: Microsoft / Windows 11 Version 24H2
Sources: cve.org · NVD

Severity & Metrics

6.4 MEDIUM CVSS 3.1

CVSS:3.1/AV:P/AC:H/PR:N/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 (5)

Vendor	Product	Platform	Versions
Microsoft	Windows 11 Version 24H2	ARM64-based Systems,x64-based Systems	10.0.26100.0 < 10.0.26100.8875
Microsoft	Windows 11 Version 25H2	ARM64-based Systems,x64-based Systems	10.0.26200.0 < 10.0.26200.8875
Microsoft	Windows 11 version 26H1	ARM64-based Systems,x64-based Systems	10.0.28000.0 < 10.0.28000.2269
Microsoft	Windows Server 2025	x64-based Systems	10.0.26100.0 < 10.0.26100.33158
Microsoft	Windows Server 2025 (Server Core installation)	x64-based Systems	10.0.26100.0 < 10.0.26100.33158

Weakness (CWE)

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

CVSS scores (1)

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

References (1)

Windows USB Print Driver Elevation of Privilege Vulnerability https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55000

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