CVE-2025-9478
Use after free in ANGLE in Google Chrome prior to 139.0.7258.154 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page....
- Published
- Aug 26, 2025
- Updated
- Feb 26, 2026
- Assigning CNA
- Chrome
- Evidence observed
- Aug 9, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HLow · next 30 days
- Percentile
- 88.9%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
Use after free in ANGLE in Google Chrome prior to 139.0.7258.154 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Critical)
Sources
1Remediation of Microsoft Edge (Chromium) Remote Code Execution vulnerability (CVE-2025-9478, Plugin ID: 258091). Documentation includes before/after evidence, remediation steps, and Tenable validation.
Responsible use
Use vulnerability information only on systems you own or are authorized to test. Kitploit links to public research metadata and does not store exploit code or malicious payloads.