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

Quick assessment

Affected
Microsoft Windows 10 Version 1607
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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

CVSS 7.0 · High EPSS 0.25% · P17

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 20

VendorProduct Version RangeStatus
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: CVE Program / CVE List V5
Vulnerability Description
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
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 Subscribe
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

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III. Intelligence Information for CVE-2026-45653

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Vendor Advisories for CVE-2026-45653 (1)

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

CVE-2026-26142 9.8 CRITICAL Nuance PowerScribe Remote Code Execution Vulnerability
CVE-2026-45657 9.8 CRITICAL Windows Kernel Remote Code Execution Vulnerability
CVE-2026-47291 9.8 CRITICAL HTTP.sys Remote Code Execution Vulnerability
CVE-2026-44815 9.8 CRITICAL DHCP Client Service Remote Code Execution Vulnerability
CVE-2026-47643 9.8 CRITICAL Azure Stack Edge Remote Code Execution Vulnerability
CVE-2026-47281 9.6 CRITICAL Visual Studio Code Elevation of Privilege Vulnerability
CVE-2026-42904 9.6 CRITICAL Windows TCP/IP Elevation of Privilege Vulnerability
CVE-2026-45602 9.1 CRITICAL Windows Dynamic Host Configuration Protocol (DHCP) Tampering Vulnerability
CVE-2026-32193 8.8 HIGH Azure Kubernetes Service (AKS) Remote Code Execution Vulnerability
CVE-2026-45504 8.8 HIGH Microsoft Exchange Server Elevation of Privilege Vulnerability
CVE-2026-45648 8.8 HIGH Windows Active Directory Domain Services Remote Code Execution Vulnerability
CVE-2026-47289 8.8 HIGH Remote Desktop Client Remote Code Execution Vulnerability
CVE-2026-47653 8.8 HIGH Remote Desktop Client Remote Code Execution Vulnerability
CVE-2026-45484 8.8 HIGH Microsoft SharePoint Elevation of Privilege Vulnerability
CVE-2026-42985 8.8 HIGH Remote Desktop Client Remote Code Execution Vulnerability
CVE-2026-40371 8.8 HIGH Microsoft Dynamics 365 (on-premises) Elevation of Privilege Vulnerability
CVE-2026-45474 8.4 HIGH Microsoft Office Remote Code Execution Vulnerability
CVE-2026-45463 8.4 HIGH Microsoft Office Remote Code Execution Vulnerability
CVE-2026-45472 8.4 HIGH Microsoft Office Remote Code Execution Vulnerability
CVE-2026-45641 8.4 HIGH Windows Hyper-V Remote Code Execution Vulnerability

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

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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