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CVE-2026-76021

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 151.0.7922.173 之前的版本中，DOM 中存在释放后使用（Use after free）漏洞，远程攻击者可通过精心构造的 HTML 页面在沙箱环境中执行任意代码。（Chromium 安全严重程度：高）

AI Predicted 8.8 Difficulty: Easy EPSS 0.49% · P40

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 1

VendorProduct Version RangeStatus
Google Chrome 151.0.7922.173< 151.0.7922.173 affected
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I. Basic Information for CVE-2026-76021

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Use after free in DOM in Google Chrome prior to 151.0.7922.173 allowed a remote attacker to execute arbitrary code inside 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 151.0.7922.173 ~ 151.0.7922.173 -

II. Public POCs for CVE-2026-76021

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-76021

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Security Blog Posts for CVE-2026-76021 (1)

Vendor Pages for CVE-2026-76021 (1)

Same Patch Batch · Google · 2026-08-20 · 7 CVEs total

CVE-2026-76022 Chrome <151.0.7922.173网络缓冲区溢出漏洞
CVE-2026-76023 Chrome <151.0.7922.173 主题资源控制漏洞
CVE-2026-76018 Chrome低于151.0.7922.173权限提升漏洞
CVE-2026-76020 Google Chrome多个版本V8竞争条件任意代码执行
CVE-2026-76019 Chrome < 151.0.7922.173 Workers越权漏洞
CVE-2026-76017 Chrome<151.0.7922.173 Chromoting Use-After-Free致代码执行

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-76021

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