Use after free in ServiceWorker in Google Chrome prior to 154.0.8037.57 allowed a remote attacker to execute arbitrary code outside the sand…
cve CVE-2026-95339 2 sources, 2 claims · Watch
NVD writes:
Use after free in ServiceWorker in Google Chrome prior to 154.0.8037.57 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical) the claim
Use after free in ServiceWorker in Google Chrome prior to 154.0.8037.57 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical) the claim
- Severity
- critical GitHub advisoriesCRITICAL NVD
- CVSS
- 9.6 GitHub advisories9.6 NVD
- Fixed in
- 154.0.8037.57 NVD
- Vendor
- Google NVD
- Product
- Chrome NVD
- CWE
- CWE-416 GitHub advisoriesCWE-416 NVD
How far exploitation has got
- No public code known
- Proof of concept
- Proof of concept, verified
- A Metasploit module
- Exploited in the wild
- Used in ransomware campaigns
Timeline
| 2026-09-29 | first spoke of it: Use after free in ServiceWorker in Google Chrome prior to 154.0.8037.57 allowed a remote attacker... | GitHub advisories |
| 2026-09-29 | first spoke of it: Use after free in ServiceWorker in Google Chrome prior to 154.0.8037.57 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical) | NVD |
Use after free in ServiceWorker in Google Chrome prior to 154.0.8037.57 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)
What it is to other things
| affects | google/chrome NVD |
| made_by | google NVD |
Every value, with what each source said and its receipt
| Property | Source | Said | Means here | ||||
|---|---|---|---|---|---|---|---|
| Automatable automatable | NVD | no At least one of those steps needs a person. receipt
What the source handed over{
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| CVSS cvss | GitHub advisories | 9.6receipt
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} | — | ||||
| CVSS cvss | NVD | 9.6receipt
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| CVSS vector cvss_vector | NVD | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:Hreceipt
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| CWE cwe | GitHub advisories | CWE-416receipt
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| CWE cwe | NVD | CWE-416receipt
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| Exploitation exploitation | NVD | none No evidence of exploitation, and no public proof of concept. receipt
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} | — | ||||
| Fixed in fixed_in | NVD | 154.0.8037.57receipt
What the source handed over{
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Every claim, by kind
vulnerability
| Use after free in ServiceWorker in Google Chrome prior to 154.0.8037.57 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical) zetlyn/cve-nvd · 2026-09-29 | automatable no cvss 9.6 cvss_vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H cwe CWE-416 exploitation none fixed_in 154.0.8037.57 product Chrome severity CRITICAL status Analyzed technical_impact total vendor Google | source |
| Use after free in ServiceWorker in Google Chrome prior to 154.0.8037.57 allowed a remote attacker... zetlyn/cve-ghsa · 2026-09-29 | cvss 9.6 cwe CWE-416 severity critical | source |