CVE-2026-15773: Use after free in Core
Chromium: CVE-2026-15773 Use after free in Core
Other sources
This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.
— Microsoft
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)
— NVD
Credit
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 150.0.7871.124 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 150.0.4078.80 - Upgrade
Upgrade
Google Chrome/Chromiumto a version that resolves this vulnerability.Fixed in 150.0.7871.125 - Compensating control
Until updated, mitigate exposure by preventing remote attackers from delivering crafted HTML pages to the Windows environment (e.g., restrict untrusted web content access in the browser/workstation via policy and network controls).
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is the severity of CVE-2026-15773?
CVE-2026-15773 has a critical severity score of 9.6.
How do I fix CVE-2026-15773?
To mitigate CVE-2026-15773, ensure that Google Chrome is updated to version 150.0.7871.125 or later.
What type of vulnerability is CVE-2026-15773?
CVE-2026-15773 is classified as a Use After Free vulnerability.
What could an attacker achieve with CVE-2026-15773?
An attacker could potentially perform a sandbox escape via a crafted HTML page due to CVE-2026-15773.
On which platforms does CVE-2026-15773 affect Google Chrome?
CVE-2026-15773 affects Google Chrome on Windows prior to version 150.0.7871.125.