CVE-2026-8580
CRITICALCVSS 9.6/10EPSS 0.21%
Last modified
CVE-2026-8580 is a critical-severity vulnerability rated 9.6/10 on the CVSS scale. Use after free in Mojo in Google Chrome prior to 148.0.7778.168 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Medium). EPSS estimates a 0.21% chance of exploitation in the next 30 days.
Description
Use after free in Mojo in Google Chrome prior to 148.0.7778.168 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Medium)
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Chrome | < 148.0.7778.168 |
References
- https://issues.chromium.org/issues/496639647Permissions Required
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-8580?
Use after free in Mojo in Google Chrome prior to 148.0.7778.168 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Medium)
How severe is CVE-2026-8580?
CVE-2026-8580 has a CVSS score of 9.6/10 (CRITICAL severity). The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.
How do I fix CVE-2026-8580?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2026-8580?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST