Vulnerability details
CVE-2026-78951
Google Chrome
CVSS 3.1
9.6Critical
Official description
Use after free in ServiceWorker in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 9.6Critical | 3.1 | CISA ADP / Vulnrichment (CISA-ADP) | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Chrome | 152.0.7977.65 ≤ v < 152.0.7977.65 | CVEProject cvelistV5 (CNA) |
References and advisories
2
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Details
- Published
- 2026-08-25
- Last updated
- 2026-08-27
- State
- Published
- Assigner (CNA)
- Chrome
Exploit prediction (EPSS)
0.46%
Probability of exploitation in 30 days
40.2%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-416Use after free