# CVE-2021-37976: Google Chromium Information Disclosure Vulnerability

Source: https://junglewise.ai/threats/cve-2021-37976-google-chromium-information-disclosure-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2021-11-03. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

CVE-2021-37976 · Severity: critical · CVSS 6.5 · Exploited in the wild · Published 2021-11-03

An inappropriate implementation in the core memory component of Google Chromium allows a remote attacker to obtain sensitive information from process memory. The vulnerability is triggered when a user visits a specially crafted HTML page.

Technologies: [Google Chromium](https://junglewise.ai/threats/technologies/chromium). Vendors: [Google](https://junglewise.ai/threats/vendors/google).

## Quick answers

**Is CVE-2021-37976 exploited in the wild?** Yes. CVE-2021-37976 is known to be exploited in the wild, first recorded on 3 November 2021. Treat it as urgent.

**How severe is CVE-2021-37976?** Critical severity, with a CVSS score of 6.5, published 3 November 2021.

**Which products and versions are affected?** Google Chrome prior to 94.0.4606.71; Microsoft Edge; Opera Opera.

**Is there a fix for CVE-2021-37976?** A patch was published on 2021-09-30: Google released Chrome version 94.0.4606.71 to address this issue. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2021-37976 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2021-37976?** Check whether you run Google Chromium. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Google Chrome prior to 94.0.4606.71
- Microsoft Edge
- Opera Opera

## Timeline

- 2021-09-30: patched: Google released Chrome version 94.0.4606.71 to address this issue.
- 2021-11-03: disclosed: Vulnerability published and added to CISA KEV catalog.
- 2021-11-03: kev added
- 2021-11-03: exploited: Reported as exploited in the wild.

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