CVE-2021-37975
Actively exploited. CVE-2021-37975 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
Google Chromium V8 Engine contains a use-after-free 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.
CSIRTS triage
- What
- The Google Chromium V8 Engine has a use-after-free vulnerability that could lead to remote code execution.
- Who is affected
- Users of web browsers utilizing the Chromium V8 Engine, including Google Chrome and Microsoft Edge.
- Urgency
- Remediation is critical due to active exploitation and high severity.
- Action
- Update the affected web browsers to the latest version.
AI-assisted analysis generated from the source advisory — verify against the original.
⚡ Watch CVE-2021-37975
Get an email if CVE-2021-37975 is added to CISA KEV, gains public exploit code, or a new advisory cites it — max one per day, one-click unsubscribe.
Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 98% of all EPSS-scored CVEs.
Advisory coverage (1)
- criticalexploitedCVE-2021-37975: Google Chromium V8 Use-After-Free Vulnerabilitycisa-kev · 2021-11-03
External references
Embed the live status
— this badge updates automatically when the KEV or exploit status changes. How to embed it →
[](https://www.csirts.com/cve/CVE-2021-37975)