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CVE-2026-68821— Windows Package Manager Elevation of Privilege Vulnerability

Quick assessment

Affected
Microsoft App Installer
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 Package Manager是美国Microsoft公司的一个综合的程序包管理器解决方案。用于自动安装、升级、配置和使用软件的系统或工具集。 大多数程序包管理器都是设计用于发现和安装开发人员工具。 Microsoft Windows Package Manager存在权限许可和访问控制问题漏洞，该漏洞源于Windows Package Manager权限管理不当，可能允许已授权攻击者在本地提升权限。

CVSS 7.3 · High EPSS 0.32% · P23

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 1

VendorProduct Version RangeStatus
Microsoft App Installer 1.0.0.0< 1.29.279 affected
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I. Basic Information for CVE-2026-68821

Vulnerability Information
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Vulnerability Title
Windows Package Manager Elevation of Privilege Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Improper privilege management in Windows Package Manager allows an authorized attacker to elevate privileges locally.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
特权管理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Windows Package Manager 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Windows Package Manager是美国Microsoft公司的一个综合的程序包管理器解决方案。用于自动安装、升级、配置和使用软件的系统或工具集。 大多数程序包管理器都是设计用于发现和安装开发人员工具。 Microsoft Windows Package Manager存在权限许可和访问控制问题漏洞，该漏洞源于Windows Package Manager权限管理不当，可能允许已授权攻击者在本地提升权限。
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 App Installer 1.0.0.0 ~ 1.29.279 -

II. Public POCs for CVE-2026-68821

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III. Intelligence Information for CVE-2026-68821

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Vendor Advisories for CVE-2026-68821 (1)

Same Patch Batch · Microsoft · 2026-08-11 · 402 CVEs total

CVE-2026-62815 9.8 CRITICAL Microsoft QUIC Remote Code Execution Vulnerability
CVE-2026-62878 9.8 CRITICAL Windows DNS Server Remote Code Execution Vulnerability
CVE-2026-62893 9.8 CRITICAL Windows Deployment Services TFTP Server Remote Code Execution Vulnerability
CVE-2026-65791 9.8 CRITICAL Windows iSCSI Target Service Remote Code Execution Vulnerability
CVE-2026-59124 9.8 CRITICAL Microsoft High Performance Computing (HPC) Pack Remote Code Execution Vulnerability
CVE-2026-50516 9.4 CRITICAL Microsoft Azure Kubernetes Service Elevation of Privilege Vulnerability
CVE-2026-70306 9.3 CRITICAL Microsoft Office SharePoint Spoofing Vulnerability
CVE-2026-70321 8.8 HIGH Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2026-65658 8.8 HIGH Microsoft SharePoint Server Remote Code Execution Vulnerability
CVE-2026-62817 8.8 HIGH Windows DNS Server Remote Code Execution Vulnerability
CVE-2026-62816 8.8 HIGH Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution Vulnerability
CVE-2026-69320 8.8 HIGH Visual Studio Code Remote Code Execution Vulnerability
CVE-2026-62872 8.8 HIGH .NET Framework Elevation of Privilege Vulnerability
CVE-2026-62913 8.8 HIGH Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2026-62824 8.8 HIGH Remote Desktop Client Remote Code Execution Vulnerability
CVE-2026-62822 8.8 HIGH Windows GDI+ Remote Code Execution Vulnerability
CVE-2026-62823 8.8 HIGH Windows DHCP Server Remote Code Execution Vulnerability
CVE-2026-57104 8.8 HIGH Azure Storage Explorer Elevation of Privilege Vulnerability
CVE-2026-65811 8.8 HIGH Power BI Remote Code Execution Vulnerability
CVE-2026-70324 8.8 HIGH Microsoft SharePoint Elevation of Privilege Vulnerability

Showing top 20 of 402 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: App Installer
Same vendor: Microsoft
Same weakness: CWE-269

V. Comments for CVE-2026-68821

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