Exploited Vulnerabilities DailyCVE-2021-21166: Google Chromium
EPSS24.0%No. 1073 of 1739 in KEV
CVE year2021listed the same year
Same vendor in KEV75
Same product6
| Field | Value |
|---|---|
| Vendor | |
| Product | Chromium |
| Name | Google Chromium Race Condition Vulnerability |
| Added to KEV | 2021-11-03 |
| US federal due date | 2021-11-17 |
| Ransomware use | Unknown |
| CWE | CWE-122, CWE-362 |
CISA description
Google Chromium contains a race condition vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.
Other entries for this product
| CVE | Vendor / product | Added | EPSS | Ransomware |
|---|---|---|---|---|
| CVE-2026-2441 | Google Chromium | 2026-02-17 | 55.1% | Unknown |
| CVE-2025-14174 | Google Chromium | 2025-12-12 | 22.3% | Unknown |
| CVE-2025-6558 | Google Chromium | 2025-07-22 | 9.4% | Unknown |
| CVE-2024-4671 | Google Chromium | 2024-05-13 | 8.3% | Unknown |
| CVE-2021-37976 | Google Chromium | 2021-11-03 | 19.9% | Unknown |
Data from CISA's Known Exploited Vulnerabilities (KEV) catalog. EPSS is FIRST's estimated probability of exploitation activity in the next 30 days, refreshed weekly. Always follow the vendor's official guidance.
About this page
A Google Chromium vulnerability added to CISA's Known Exploited Vulnerabilities catalog on 2021-11-03.