CVE-2025-0434: High Out of bounds memory access in V8.
Chromium: CVE-2025-0434 Out of bounds memory access in V8
Other sources
Out of bounds memory access in V8 in Google Chrome prior to 132.0.6834.83 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
— MITRE
This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.
— Microsoft
Credit
Affected Software
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is the severity of CVE-2025-0434?
CVE-2025-0434 is classified as a high-severity vulnerability affecting the Chromium engine used in Microsoft Edge.
How do I fix CVE-2025-0434?
To address CVE-2025-0434, update Microsoft Edge to the latest version beyond 132.0.2957.115.
What types of attacks can CVE-2025-0434 enable?
CVE-2025-0434 may allow an attacker to execute arbitrary code or cause a denial of service via crafted web content.
Which versions of Microsoft Edge are affected by CVE-2025-0434?
Microsoft Edge versions prior to 132.0.2957.115 are affected by CVE-2025-0434.
Is CVE-2025-0434 exploitable in Microsoft Edge (Chromium-based)?
Yes, CVE-2025-0434 is exploitable in Microsoft Edge (Chromium-based) when using outdated software versions.