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CVE-2021-38003: Google Chromium V8 Memory Corruption Vulnerability
Google Chromium V8 · in CISA KEV since 2021-11-03
2021-11-03added to KEV
2021-11-17federal remediation due date
38.57%EPSS exploit probability (30 days) 98.5th percentile
8.8 HIGHCVSS 3.1
Unknownknown ransomware use
-20days from NVD publication to KEV
What it is
Google Chromium V8 Engine has a bug in JSON.stringify, where the internal TheHole value can leak to script code, causing memory corruption. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.
Required action (CISA)
Apply updates per vendor instructions.
| CWE | CWE-122;CWE-755 |
|---|---|
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD published | 2021-11-23 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2021-38003.json · all KEV CVEs
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Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.