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9.6

Google Chrome on Windows Sandbox Escape Risk

CVE-2026-15773 · published 3 months ago
Summary

A security issue in older versions of Google Chrome on Windows allows a malicious website to potentially escape the browser's security sandbox. This could allow the attacker to access sensitive information or take control of the system. Update to the latest version of Google Chrome to fix this issue.

What to do
  • Update google chrome to version 150.0.7871.125 or later.
Affected software
Ecosystem VendorProductAffected versions
– google chrome < 150.0.7871.125
Debian:11 debian chromium All versions
Debian:12 debian chromium All versions
Debian:13 debian chromium All versions
Debian:14 debian chromium All versions
Original advisory text
Use after free in Core in Google Chrome on Windows prior to 150.0.7871.125 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)
Use after free in Core in Google Chrome on Windows prior to 150.0.7871.125 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)
References
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker full control
Severity
9.6 Critical
Exploitation
<1% chance of attack within 30 days
Type
CWE-416Use After Free
Timeline
Published14 Jul 2026
Updated4 Nov 2026
First seen14 Jul 2026
Sources
CVE-2026-15773 · NVD
CVE-2026-15773 · MITRE
DEBIAN-CVE-2026-15773 · OSV
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