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CVE-2026-55014— Windows Remote Help Defense Elevation of Privilege Vulnerability

Quick assessment

Affected
Microsoft Windows Remote Help
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 Remote Help是美国Microsoft公司的一款远程协助软件。 Microsoft Windows Remote Help存在权限许可和访问控制问题漏洞，该漏洞源于访问控制不当，可能导致授权攻击者本地提升权限。

CVSS 7.8 · High EPSS 0.21% · P12

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 1

VendorProduct Version RangeStatus
Microsoft Windows Remote Help 5.0.0.0< 5.2.1037.0 affected
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I. Basic Information for CVE-2026-55014

Vulnerability Information
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Vulnerability Title
Windows Remote Help Defense Elevation of Privilege Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Improper access control in Windows Remote Help Defense 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:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Windows Remote Help 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Windows Remote Help是美国Microsoft公司的一款远程协助软件。 Microsoft Windows Remote Help存在权限许可和访问控制问题漏洞，该漏洞源于访问控制不当，可能导致授权攻击者本地提升权限。
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 Windows Remote Help 5.0.0.0 ~ 5.2.1037.0 -

II. Public POCs for CVE-2026-55014

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III. Intelligence Information for CVE-2026-55014

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Vendor Advisories for CVE-2026-55014 (1)

Same Patch Batch · Microsoft · 2026-07-14 · 570 CVEs total

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CVE-2026-48561 9.6 CRITICAL Microsoft Edge Copilot Remote Code Execution Vulnerability
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CVE-2026-55008 9.6 CRITICAL Microsoft Exchange Server Spoofing Vulnerability
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Showing top 20 of 570 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Windows Remote Help
Same vendor: Microsoft
Same weakness: CWE-284

V. Comments for CVE-2026-55014

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