Vulnerability Description
Insufficient validation of untrusted input in Extensions in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the renderer process to perform privilege escalation via a crafted HTML page. (Chromium security severity: Medium)
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Chrome | < 150.0.7871.46 | |
| Apple | Macos | - |
| Linux | Linux Kernel | - |
| Microsoft | Windows | - |
Related Weaknesses (CWE)
References
- https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_Vendor Advisory
- https://issues.chromium.org/issues/501631475Permissions Required
FAQ
What is CVE-2026-13891?
CVE-2026-13891 is a vulnerability with a CVSS score of 7.5 (HIGH). Insufficient validation of untrusted input in Extensions in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the renderer process to perform privilege escalation via ...
How severe is CVE-2026-13891?
CVE-2026-13891 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-13891?
Check the references section above for vendor advisories and patch information. Affected products include: Google Chrome, Apple Macos, Linux Linux Kernel, Microsoft Windows.