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CVE-2026-93378

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.

在低于 153.0.8010.52 版本的 Google Chrome 中，存储（Storage）模块存在授权缺失问题。远程攻击者若能控制渲染进程，便可利用一个构造的 PDF 文件绕过站点隔离机制。（Chromium 安全严重程度：中等）

AI Predicted 5.5 Difficulty: Moderate
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I. Basic Information for CVE-2026-93378

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Missing authorization in Storage in Google Chrome prior to 153.0.8010.52 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted PDF file. (Chromium security severity: Medium)
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Google Chrome 153.0.8010.52 ~ 153.0.8010.52 -

II. Public POCs for CVE-2026-93378

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III. Intelligence Information for CVE-2026-93378

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Vendor Advisories for CVE-2026-93378 (1)

Security Blog Posts for CVE-2026-93378 (1)

Same Patch Batch · Google · 2026-09-17 · 17 CVEs total

CVE-2026-89418 8.7 HIGH Uncontrolled Recursion leading to Denial of Service in protobuf-javascript (google-protobu
CVE-2026-93386 Chrome 153.0.8010.52 WebAppInstalls UI欺骗漏洞
CVE-2026-93385 Chrome 153前Paint组件信息泄露漏洞
CVE-2026-93376 Chrome 153.0.8010.52 DataTransfer 越界读取
CVE-2026-93383 Chrome 153.0.8010.52 前权限跨域信息泄露
CVE-2026-93384 Chrome 153.0.8010.52 之前 SSRF 漏洞
CVE-2026-93379 Chrome 153前ORB未授权绕过站点隔离
CVE-2026-93380 Chrome 153.0.8010.52前FileSystem竞态条件漏洞
CVE-2026-93381 Chrome 153.0.8010.52 之前 PDFium 缓冲区溢出
CVE-2026-93377 Chrome 153.0.8010.52之前V8类型混淆远程代码执行
CVE-2026-93382 Chrome前153.0.8010.52 PDFium释放后使用
CVE-2026-93373 Chrome 153.0.8010.52 前扩展插件释放后使用
CVE-2026-93387 Chrome 153前Skia状态验证不当致跨源数据泄露
CVE-2026-93372 Chrome 153前 WebGL 缓冲区溢出漏洞
CVE-2026-93374 Chrome 153 Dawn 释放后使用致代码执行
CVE-2026-93375 Chrome 153.0.8010.52 之前沙箱逃逸漏洞

IV. Related Vulnerabilities

Same product: Chrome
Same vendor: Google
Same weakness: CWE-862

V. Comments for CVE-2026-93378

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