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CVE-2026-103630

Quick assessment

Affected
Google Chrome
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.

在 Google Chrome 154.0.8037.97 之前的版本中，FedCM 存在一个释放后使用（Use-after-free）漏洞。远程攻击者可通过构造的 HTML 页面，在沙箱外执行任意代码。（Chromium 安全严重性评级：高）

AI Predicted 9.0 Difficulty: Easy

Affected Version Matrix 1

VendorProduct Version RangeStatus
Google Chrome 154.0.8037.97< 154.0.8037.97 affected
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I. Basic Information for CVE-2026-103630

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Use after free in FedCM in Google Chrome prior to 154.0.8037.97 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Google Chrome 154.0.8037.97 ~ 154.0.8037.97 -

II. Public POCs for CVE-2026-103630

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III. Intelligence Information for CVE-2026-103630

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Patches & Fixes for CVE-2026-103630 (1)

Security Blog Posts for CVE-2026-103630 (1)

Same Patch Batch · Google · 2026-10-02 · 11 CVEs total

CVE-2026-103627 Google Chrome <154.0.8037.97 SVG信息泄露漏洞
CVE-2026-103622 Chrome <154.0.8037.97 SVG Use-After-Free远程代码执行
CVE-2026-103631 Chrome <154.0.8037.97 WebRTC堆溢出漏洞
CVE-2026-103629 Chrome <154.0.8037.97 Skia整型溢出致跨域数据泄露
CVE-2026-103623 Chrome 154.0.8037.97前 MediaStream 释放后使用漏洞
CVE-2026-103625 Chrome<154.0.8037.97 V8类型混淆致远程代码执行
CVE-2026-103624 Chrome Windows <154.0.8037.97 Use-After-Free漏洞
CVE-2026-103621 Chrome<154.0.8037.97组合整数溢出致数据泄露
CVE-2026-103626 Chrome <154.0.8037.97 文件系统权限验证漏洞
CVE-2026-103628 Chrome<154.0.8037.97 WebGL越界写入漏洞

IV. Related Vulnerabilities

Same product: Chrome
Same vendor: Google
Same weakness: CWE-416

V. Comments for CVE-2026-103630

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