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CVE-2025-9864

Good to know:

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Date: September 3, 2025

Use after free in V8 in Google Chrome prior to 140.0.7339.80 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

Severity Score

Related Resources (4)

https://chromereleases.googleblog.com/2025/09/stable-channel-update-for-desktop.html
https://issues.chromium.org/issues/434513380
https://nvd.nist.gov/vuln/detail/CVE-2025-9864
https://www.mend.io/vulnerability-database/CVE-2025-9864

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

Top Fix

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Upgrade Version

Upgrade to version https://chromium.googlesource.com/v8/v8.git - 14.0.322

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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