CVE-2025-12434: 
vulnerability analysis and mitigation

A Race in Storage vulnerability was discovered in Google Chrome on Windows prior to version 142.0.7444.59. The vulnerability, identified as CVE-2025-12434, was reported by Lijo A.T on April 27, 2024, and was publicly disclosed on October 28, 2025. This security flaw affects Chrome browsers on Windows systems and was assigned a Medium severity rating by the Chromium security team (Chrome Release, Debian Tracker).

The vulnerability is characterized as a race condition in the Storage component of Chrome, with a CVSS 3.1 base score of 4.2 (Medium). The technical assessment indicates high attack complexity, requires no privileges, but does need user interaction. The vulnerability has specific impact metrics showing low confidentiality impact, no integrity impact, and low availability impact, with the attack vector being network-based (Ubuntu Security).

When successfully exploited, the vulnerability allows a remote attacker to perform UI spoofing through a crafted HTML page, but only after convincing a user to engage in specific UI gestures. The scope of the impact is considered unchanged, affecting only the vulnerable component with limited potential for broader system compromise (Debian Tracker).

The vulnerability has been patched in Chrome version 142.0.7444.59 and later releases. Users and administrators are advised to update to this version or newer to mitigate the risk. For Prisma Browser users, version 142.15.2.60 contains the fix. No alternative workarounds have been identified for this vulnerability (Chrome Release, Palo Alto).