What is the CVSS score of CVE-2025-12907?

CVE-2025-12907 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.3%.

Which versions of Chrome are affected by CVE-2025-12907?

Organizations using Devtools in Google Chrome face significant risk from CVE-2025-12907, a input validation vulnerability rated CVSS 8.8.

Is there a public PoC exploit available for CVE-2025-12907?

Yes, a public proof-of-concept exploit is available for CVE-2025-12907. Prioritise patching immediately. EPSS: 0.3%.

How to fix or mitigate CVE-2025-12907?

Within 7 days: Identify all affected systems running Devtools in Google Chrome and apply vendor patches promptly. Monitor vendor channels for patch availability.

Chrome CVE-2025-12907

HIGH

Improper Input Validation (CWE-20)

2025-11-08 chrome-cve-admin@google.com

Google RCE Chrome

8.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:21 vuln.today

PoC Detected

Nov 21, 2025 - 21:20 vuln.today

Public exploit code

CVE Published

Nov 08, 2025 - 00:15 nvd

HIGH 8.8

DescriptionCVE.org

AnalysisAI

Insufficient validation of untrusted input in Devtools in Google Chrome prior to 140.0.7339.80 allowed a remote attacker to execute arbitrary code via user action in Devtools. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-20. Insufficient validation of untrusted input in Devtools in Google Chrome prior to 140.0.7339.80 allowed a remote attacker to execute arbitrary code via user action in Devtools. (Chromium security severity: Low) Affected products include: Google Chrome. Version information: prior to 140.0.7339.80.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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CVE-2025-12907 vulnerability details – vuln.today

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Chrome CVE-2025-12907

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

RemediationAI

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External POC / Exploit Code