Actively exploited in the wild
Google Chromium Blink Use-After-Free Vulnerability
Google - Chromium Blink · Listed in the CISA KEV since 2021-11-03. This indicates confirmed attacks in production environments.
Required action: Apply updates per vendor instructions.
CVE-2021-21193
HighCVSS 8.8KEVSummary
A use-after-free vulnerability exists in Blink in Google Chrome prior to 89.0.4389.90. A remote attacker could potentially exploit heap corruption via a crafted HTML page.
Risk Assessment
An attacker could remotely execute arbitrary code or cause a browser crash, potentially leading to system compromise.
Recommendation
Update Google Chrome to version 89.0.4389.90 or later.
Other vulnerabilities in Google Chrome
See all- CVE-2026-113343High
Memory corruption vulnerability in the Sandbox component of Google Chrome prior to 156.0.8078.47. A remote attacker could execute arbitrary code inside the sandbox via a crafted HTML page.
- CVE-2026-113339High
Use-after-free vulnerability in the SVG component of Google Chrome prior to 156.0.8078.47. A remote attacker could execute arbitrary code inside the sandbox via a crafted HTML page.
- CVE-2026-113338High
Use-after-free vulnerability in the Turbolev component of Google Chrome prior to 156.0.8078.47. A remote attacker could execute arbitrary code inside the sandbox via a crafted HTML page.
- CVE-2026-113337High
Memory corruption vulnerability in the Scroll component of Google Chrome prior to 156.0.8078.47. A remote attacker could execute arbitrary code inside the sandbox via a crafted HTML page.
- CVE-2026-113335High
Memory corruption vulnerability in the Extensions component of Google Chrome prior to 156.0.8078.47. A remote attacker could execute arbitrary code inside the sandbox via a crafted HTML page.
- CVE-2026-113332High
Memory corruption vulnerability in the GPU component of Google Chrome prior to 156.0.8078.47. A remote attacker could execute arbitrary code inside the sandbox via a crafted HTML page.
- CVE-2026-113327High
Use-after-free vulnerability in the Chromecast component of Google Chrome prior to 156.0.8078.47. A remote attacker could execute arbitrary code inside the sandbox via a crafted HTML page.
- CVE-2026-113324High
Use-after-free vulnerability in the GPU component of Google Chrome prior to 156.0.8078.47. A remote attacker could execute arbitrary code inside the sandbox via a crafted HTML page.
- CVE-2026-113322Unknown
Memory corruption in the Dawn component of Google Chrome prior to version 156.0.8078.47. A remote attacker could potentially read memory inside the sandbox via a crafted HTML page. Chromium severity: High.
- CVE-2026-113321High
Use-after-free vulnerability in the Extensions component of Google Chrome prior to 156.0.8078.47. A remote attacker could execute arbitrary code inside the sandbox via a crafted HTML page.
Original NVD description (English source)
Use after free in Blink in Google Chrome prior to 89.0.4389.90 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

