V8 OOB Write in Chrome < 148.0.7778.216
CVE-2026-9973 Published on May 28, 2026
Out of bounds write in V8 in Google Chrome prior to 148.0.7778.216 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
Vulnerability Analysis
CVE-2026-9973 can be exploited with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
What is a Memory Corruption Vulnerability?
The software writes data past the end, or before the beginning, of the intended buffer. Typically, this can result in corruption of data, a crash, or code execution. The software may modify an index or perform pointer arithmetic that references a memory location that is outside of the boundaries of the buffer. A subsequent write operation then produces undefined or unexpected results.
CVE-2026-9973 has been classified to as a Memory Corruption vulnerability or weakness.
Products Associated with CVE-2026-9973
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Affected Versions
Google Chrome:- Version 148.0.7778.216 and below 148.0.7778.216 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.