CVE-2026-13027: Use after free in FileSystem
Chromium: CVE-2026-13027 Use after free in FileSystem
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 FileSystem in Google Chrome prior to 149.0.7827.197 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
— MITRE
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 149.0.7827.196 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 149.0.4022.96 - Upgrade
Upgrade
Chromium / Google Chrometo a version that resolves this vulnerability.Fixed in 149.0.7827.197
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is the severity of CVE-2026-13027?
The severity of CVE-2026-13027 is rated as High.
How do I fix CVE-2026-13027?
To fix CVE-2026-13027, update Google Chrome to version 149.0.7827.197 or later.
What type of vulnerability is CVE-2026-13027?
CVE-2026-13027 is classified as a 'Use After Free' vulnerability.
What could a remote attacker achieve with CVE-2026-13027?
A remote attacker could potentially exploit heap corruption via a crafted HTML page due to CVE-2026-13027.
In which software does CVE-2026-13027 exist?
CVE-2026-13027 exists in Google Chrome prior to version 149.0.7827.197.