CVE-2026-9887
HighCVSS 8.8Exploitation Probability (EPSS)
Low risk12th percentile - higher than 12% of all known CVEs
Summary
A use-after-free vulnerability in the Proxy component of Google Chrome prior to 148.0.7778.216 allows a remote attacker to execute arbitrary code via a crafted PAC script.
Risk Assessment
This critical vulnerability enables remote code execution without user interaction, potentially leading to data theft, malware installation, or full system compromise.
Recommendation
Immediately update Google Chrome to version 148.0.7778.216 or later. In enterprise environments, enforce automatic update policies.
Other vulnerabilities in Google Chrome
See all- CVE-2026-8581High
A use after free vulnerability in GPU in Google Chrome prior to version 148.0.7778.168 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.
- CVE-2026-8577High
Integer overflow in Fonts in Google Chrome prior to version 148.0.7778.168 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.
- CVE-2026-8575High
A use after free vulnerability in the UI in Google Chrome prior to version 148.0.7778.168 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page.
- CVE-2026-8573High
Integer overflow in Codecs in Google Chrome on Windows prior to version 148.0.7778.168 allowed a remote attacker to potentially perform a sandbox escape via a crafted video file.
- CVE-2026-8569High
An out of bounds write in Codecs in Google Chrome on Mac prior to version 148.0.7778.168 allowed a remote attacker to potentially perform a sandbox escape via a crafted video file.
- CVE-2026-8558High
In Google Chrome prior to version 148.0.7778.168, an out of bounds write in Fonts allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.
- CVE-2026-8557High
In Google Chrome prior to version 148.0.7778.168, there was a use after free vulnerability in the Accessibility module that allowed a remote attacker who compromised the renderer process to perform privilege escalation via a crafted HTML page.
- CVE-2026-8555High
Use after free in GTK in Google Chrome on Windows prior to version 148.0.7778.168 allows a remote attacker to execute arbitrary code via a crafted HTML page.
- CVE-2026-8551High
A use after free vulnerability in Downloads in Google Chrome prior to version 148.0.7778.168 allowed a remote attacker to execute arbitrary code via a crafted HTML page if a user engaged in specific UI gestures.
- CVE-2026-8549High
Use after free in Media in Google Chrome prior to 148.0.7778.168 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.
Original NVD description (English source)
Use after free in Proxy in Google Chrome prior to 148.0.7778.216 allowed a remote attacker to execute arbitrary code via a crafted PAC script. (Chromium security severity: Critical)