Is CVE-2025-13023 actively exploited?

No active exploitation of CVE-2025-13023 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2025-13023 be exploited remotely?

Yes. CVE-2025-13023 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2025-13023?

CVE-2025-13023 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2025-13023

CWE-703Published: November 11, 2025· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

Sandbox escape due to incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 145 and Thunderbird 145.

NVD Source

Risk Analysis

This critical sandbox escape vulnerability in the Graphics: WebGPU component of Mozilla Firefox allows attackers to bypass security boundaries. With a CVSS score of 9.8, this flaw poses a significant risk for system compromise, enabling attackers to execute arbitrary code outside the browser's sandbox.

No public exploit is currently known for this vulnerability, and it is not listed in CISA's KEV catalog. The attack vector is network-based with low complexity, indicating it is remotely exploitable.

Recommended Action

Users of Mozilla Firefox should update to Firefox 145 or later to mitigate this vulnerability. Regularly update all browser software to the latest versions to ensure security.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2025-13023 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.