CVE-2026-5273: Use after free in Google Chrome
CVE-2026-5273 is a use-after-free vulnerability in the CSS component of Google Chrome versions prior to 146. 0. 7680. 178. This flaw allows a remote attacker to execute arbitrary code within the browser's sandbox by delivering a specially crafted HTML page. The vulnerability has a CVSS score of 6. 3, indicating a medium severity level. No known exploits are reported in the wild at this time. The issue was publicly disclosed on April 1, 2026.
AI Analysis
Technical Summary
This vulnerability involves a use-after-free condition in the CSS processing of Google Chrome before version 146.0.7680.178. Exploitation requires a user to visit a maliciously crafted HTML page, which can trigger arbitrary code execution inside the sandbox environment of the browser. The CVSS vector indicates the attack can be performed remotely over the network without privileges, but requires user interaction. The impact includes limited confidentiality, integrity, and availability consequences. No vendor advisory or patch link is provided in the data, so patch status is not confirmed.
Potential Impact
Successful exploitation could allow an attacker to execute arbitrary code within the sandboxed environment of the affected Chrome browser. This may lead to limited compromise of confidentiality, integrity, and availability of the browser process. However, the sandbox limits the scope of impact, and no known exploits are currently reported in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the official Google Chrome security advisories for the latest remediation guidance. Users should update to Chrome version 146.0.7680.178 or later once the patch is available. Until then, exercising caution when visiting untrusted websites is advisable.
CVE-2026-5273: Use after free in Google Chrome
Description
CVE-2026-5273 is a use-after-free vulnerability in the CSS component of Google Chrome versions prior to 146. 0. 7680. 178. This flaw allows a remote attacker to execute arbitrary code within the browser's sandbox by delivering a specially crafted HTML page. The vulnerability has a CVSS score of 6. 3, indicating a medium severity level. No known exploits are reported in the wild at this time. The issue was publicly disclosed on April 1, 2026.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a use-after-free condition in the CSS processing of Google Chrome before version 146.0.7680.178. Exploitation requires a user to visit a maliciously crafted HTML page, which can trigger arbitrary code execution inside the sandbox environment of the browser. The CVSS vector indicates the attack can be performed remotely over the network without privileges, but requires user interaction. The impact includes limited confidentiality, integrity, and availability consequences. No vendor advisory or patch link is provided in the data, so patch status is not confirmed.
Potential Impact
Successful exploitation could allow an attacker to execute arbitrary code within the sandboxed environment of the affected Chrome browser. This may lead to limited compromise of confidentiality, integrity, and availability of the browser process. However, the sandbox limits the scope of impact, and no known exploits are currently reported in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the official Google Chrome security advisories for the latest remediation guidance. Users should update to Chrome version 146.0.7680.178 or later once the patch is available. Until then, exercising caution when visiting untrusted websites is advisable.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-03-31T20:07:10.730Z
- Cvss Version
- null
- State
- PUBLISHED
Threat ID: 69cca4c0e6bfc5ba1d993049
Added to database: 4/1/2026, 4:53:20 AM
Last enriched: 4/8/2026, 6:36:53 AM
Last updated: 5/20/2026, 9:41:25 PM
Views: 84
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