CVE-2026-11259
MediumCVSS 4.3Exploitation Probability (EPSS)
Low risk8th percentile - higher than 8% of all known CVEs
Summary
Insufficient validation of untrusted input in Cast in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to bypass same origin policy via a crafted HTML page.
Risk Assessment
An attacker could bypass the same-origin policy and access data from other domains, potentially leading to data theft or cross-site scripting attacks.
Recommendation
Update Google Chrome to version 149.0.7827.53 or later.
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)
Insufficient validation of untrusted input in Cast in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to bypass same origin policy via a crafted HTML page. (Chromium security severity: Low)