Vulnerability

CVE-2021-38003

Google Chrome: memory corruption

Most severe levelNo level of its own

Official data

CVSS 3.1
8.8 · highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-755
EPSS
38.57% probability of exploitation in the next 30 days, higher than 98% of CVEs
CISA KEV catalogue
Yes, since 3 November 2021

Sources: NVD (CVSS, weakness, publication), FIRST (EPSS), CISA (KEV catalogue).
Data read on 4 November 2026.

Timeline

  1. 3 November 2021Added to the CISA KEV catalogue
  2. 23 November 2021Published on NVD

In DefenceLevel briefings1 day

  • 12 September 2026Worth watching

Last 12 months.

The full analysis is in the briefingThe full analysis is in your archive

Why it matters now, who is affected and what to do: every day at 05:00 UTC, for subscribers.Why it matters, who is affected and what to do, as in the daily briefing.

More exploited Google vulnerabilities

Official records: NVDCVE.org

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