CVE-2025-14766

HIGH
8.8
CVSS Score
Published: December 16, 2025 at 10:54 PM UTC
Updated: September 30, 2026 at 05:10 PM UTC
1 product affected across 1 vendorChrome· also runs on 3 platforms

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Severity
HIGH8.8
Exploit prediction
EPSS 3%
SSVC
No known exploit

Description

Out of bounds read and write in V8 in Google Chrome prior to 143.0.7499.147 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 143.0.7499.146v < 143.0.7499.147
Affected range stops below 143.0.7499.146, so it looks safe — our inference, not a vendor statement
Affected range stops below 143.0.7499.147, so it looks safe — our inference, not a vendor statement
apple-macos (environment) · linux-linux-kernel (environment) · microsoft-windows (environment)

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (2)

Issue TrackingPermissions Required
Source: cverecord
https://issues.chromium.org/issues/466786677

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-125CWE-787

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