CVE-2026-121183
Last modified
CVE-2026-121183 is a high-severity vulnerability rated 8.3/10 on the CVSS scale. Incorrect authorization in Extensions in Google Chrome prior to 157.0.8103.38 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium). EPSS estimates a 0.32% chance of exploitation in the next 30 days.
Description
Incorrect authorization in Extensions in Google Chrome prior to 157.0.8103.38 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Chrome | < 157.0.8103.38 |
References
- https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop.htmlRelease Notes, Vendor Advisory
- https://issues.chromium.org/issues/550245671Permissions Required
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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