CVE-2026-45653— Windows Kernel Elevation of Privilege Vulnerability

CVSS 7.0 · High EPSS 0.21% · P11 Updated Jun 20, 2026

Possible ATT&CK Techniques 1AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 20

Vendor	Product	Version Range	Status
Microsoft	Windows 10 Version 1607	`10.0.14393.0< 10.0.14393.9234`	affected
Microsoft	Windows 10 Version 1809	`10.0.17763.0< 10.0.17763.8880`	affected
Microsoft	Windows 10 Version 21H2	`10.0.19044.0< 10.0.19044.7417`	affected
Microsoft	Windows 10 Version 22H2	`10.0.19045.0< 10.0.19045.7417`	affected
Microsoft	Windows 11 version 23H2	`10.0.22631.0< 10.0.22631.7219`	affected
Microsoft	Windows 11 Version 23H2	`10.0.22631.0< 10.0.22631.7219`	affected
Microsoft	Windows 11 Version 24H2	`10.0.26100.0< 10.0.26100.8655`	affected
Microsoft	Windows 11 Version 25H2	`10.0.26200.0< 10.0.26200.8655`	affected
Microsoft	Windows 11 version 26H1	`10.0.28000.0< 10.0.28000.2269`	affected
Microsoft	Windows Server 2012	`6.2.9200.0< 6.2.9200.26132`	affected
Microsoft	Windows Server 2012 (Server Core installation)	`6.2.9200.0< 6.2.9200.26132`	affected
Microsoft	Windows Server 2012 R2	`6.3.9600.0< 6.3.9600.23228`	affected
Microsoft	Windows Server 2012 R2 (Server Core installation)	`6.3.9600.0< 6.3.9600.23228`	affected
Microsoft	Windows Server 2016	`10.0.14393.0< 10.0.14393.9234`	affected
Microsoft	Windows Server 2016 (Server Core installation)	`10.0.14393.0< 10.0.14393.9234`	affected
Microsoft	Windows Server 2019	`10.0.17763.0< 10.0.17763.8880`	affected
Microsoft	Windows Server 2019 (Server Core installation)	`10.0.17763.0< 10.0.17763.8880`	affected
Microsoft	Windows Server 2022	`10.0.20348.0< 10.0.20348.5256`	affected
Microsoft	Windows Server 2025	`10.0.26100.0< 10.0.26100.32995`	affected
Microsoft	Windows Server 2025 (Server Core installation)	`10.0.26100.0< 10.0.26100.32995`	affected

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I. Basic Information for CVE-2026-45653

Vulnerability Information

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Vulnerability Title

Windows Kernel Elevation of Privilege Vulnerability

Source: NVD (National Vulnerability Database)

Vulnerability Description

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

Source: NVD (National Vulnerability Database)

CVSS Information

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

Source: NVD (National Vulnerability Database)

Vulnerability Type

堆缓冲区溢出

Source: NVD (National Vulnerability Database)

Vulnerability Title

Microsoft Windows Kernel 安全漏洞

Source: CNNVD (China National Vulnerability Database)

Vulnerability Description

Microsoft Windows Kernel是美国微软（Microsoft）公司的Windows操作系统的内核。 Microsoft Windows Kernel存在安全漏洞。攻击者利用该漏洞可以提升权限。以下产品和版本受到影响：Windows Server 2012,Windows Server 2012 (Server Core installation),Windows Server 2012 R2,Windows Server 2012 R2 (Server Core installation

Source: CNNVD (China National Vulnerability Database)

CVSS Information

N/A

Source: CNNVD (China National Vulnerability Database)

Vulnerability Type

N/A

Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor	Product	Affected Versions	CPE
Microsoft	Windows 10 Version 1607	10.0.14393.0 ~ 10.0.14393.9234	-
Microsoft	Windows 10 Version 1809	10.0.17763.0 ~ 10.0.17763.8880	-
Microsoft	Windows 10 Version 21H2	10.0.19044.0 ~ 10.0.19044.7417	-
Microsoft	Windows 10 Version 22H2	10.0.19045.0 ~ 10.0.19045.7417	-
Microsoft	Windows 11 version 23H2	10.0.22631.0 ~ 10.0.22631.7219	-
Microsoft	Windows 11 Version 23H2	10.0.22631.0 ~ 10.0.22631.7219	-
Microsoft	Windows 11 Version 24H2	10.0.26100.0 ~ 10.0.26100.8655	-
Microsoft	Windows 11 Version 25H2	10.0.26200.0 ~ 10.0.26200.8655	-
Microsoft	Windows 11 version 26H1	10.0.28000.0 ~ 10.0.28000.2269	-
Microsoft	Windows Server 2012	6.2.9200.0 ~ 6.2.9200.26132	-
Microsoft	Windows Server 2012 (Server Core installation)	6.2.9200.0 ~ 6.2.9200.26132	-
Microsoft	Windows Server 2012 R2	6.3.9600.0 ~ 6.3.9600.23228	-
Microsoft	Windows Server 2012 R2 (Server Core installation)	6.3.9600.0 ~ 6.3.9600.23228	-
Microsoft	Windows Server 2016	10.0.14393.0 ~ 10.0.14393.9234	-
Microsoft	Windows Server 2016 (Server Core installation)	10.0.14393.0 ~ 10.0.14393.9234	-
Microsoft	Windows Server 2019	10.0.17763.0 ~ 10.0.17763.8880	-
Microsoft	Windows Server 2019 (Server Core installation)	10.0.17763.0 ~ 10.0.17763.8880	-
Microsoft	Windows Server 2022	10.0.20348.0 ~ 10.0.20348.5256	-
Microsoft	Windows Server 2025	10.0.26100.0 ~ 10.0.26100.32995	-
Microsoft	Windows Server 2025 (Server Core installation)	10.0.26100.0 ~ 10.0.26100.32995	-

II. Public POCs for CVE-2026-45653

#	POC Description	Source Link	Shenlong Link

AI-Generated POCPremium

No public POC found.

III. Intelligence Information for CVE-2026-45653

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Vendor Advisories for CVE-2026-45653 (1)

🔗 🔃 Security Update Guide - Loading - Microsoftvendor-advisorypatch

https://nvd.nist.gov/vuln/detail/CVE-2026-45653

Same Patch Batch · Microsoft · 2026-06-09 · 200 CVEs total

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CVE-2026-40371	8.8 HIGH	Microsoft Dynamics 365 (on-premises) Elevation of Privilege Vulnerability
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CVE-2026-45641	8.4 HIGH	Windows Hyper-V Remote Code Execution Vulnerability

Showing top 20 of 200 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Windows 10 Version 1607

Same vendor: Microsoft

Same weakness: CWE-122

V. Comments for CVE-2026-45653

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CVE-2026-45653— Windows Kernel Elevation of Privilege Vulnerability

Possible ATT&CK Techniques 1AI

Affected Version Matrix 20

I. Basic Information for CVE-2026-45653

Vulnerability Information

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Affected Products

II. Public POCs for CVE-2026-45653

III. Intelligence Information for CVE-2026-45653

Vendor Advisories for CVE-2026-45653 (1)

Same Patch Batch · Microsoft · 2026-06-09 · 200 CVEs total

IV. Related Vulnerabilities

V. Comments for CVE-2026-45653

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