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CVE-2026-107448

Quick assessment

Affected
Wizards of the Coast Magic: The Gathering Arena
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.

《万智牌竞技场》（Magic: The Gathering Arena）Windows/Steam 客户端（版本 2026.59.30.12801.127931.6 及部分后续 2026.60.x 构建版本）存在一个安全漏洞。该漏洞源于程序在处理首页轮播（home-screen carousel）中的“GoToExternalUrl”操作时，会直接将服务器提供的 URL 通过 Windows 壳层（Shell）执行，具体调用方式为 Application.OpenURL 或 ShellExecuteW，且未对 UR

CVSS 3.4 · Low
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I. Basic Information for CVE-2026-107448

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Magic: The Gathering Arena (Windows/Steam client; 2026.59.30.12801.127931.6 and certain later 2026.60.x builds) passes a server-supplied URL from a home-screen carousel GoToExternalUrl action directly to the Windows shell via Application.OpenURL/ShellExecuteW without validating the URI scheme or domain. A hypothetical attacker able to control the carousel content delivered to clients can cause arbitrary registered URI-scheme handlers to be invoked on client hosts with no user interaction. For example, one might expect that the carousel content only has https: URIs, not ms-calculator: URIs.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对资源描述符的控制不恰当(资源注入)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Wizards of the Coast Magic: The Gathering Arena 2026.59.30.12801.127931.6 -

II. Public POCs for CVE-2026-107448

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III. Intelligence Information for CVE-2026-107448

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Proof of Concept for CVE-2026-107448 (1)

IV. Related Vulnerabilities

Same weakness: CWE-99

V. Comments for CVE-2026-107448

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