CVE-2025-13023

CRITICALNVD 9.89.8—

9.8

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

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 19.2%
KEV: Not listed

Published

November 11, 2025

Last Modified

April 13, 2026

Advisory Details (3)

Auto-updated May 20, 2026

No patch confirmed yet.

generic

Security Vulnerabilities fixed in Thunderbird 145 — Mozilla

https://www.mozilla.org/security/advisories/mfsa2025-90/

generic

Security Vulnerabilities fixed in Firefox 145 — Mozilla

https://www.mozilla.org/security/advisories/mfsa2025-87/

generic

Access Denied

https://bugzilla.mozilla.org/show_bug.cgi?id=1992032

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-703

Data Freshness Timeline

(refreshed 13× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
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2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
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2026-05-31 00:16 UTCepss_batch
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2026-05-29 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
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2026-05-27 13:40 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch

Frequently asked(5)

What is CVE-2025-13023?

CVE-2025-13023 is a critical vulnerability published on November 11, 2025. Sandbox escape due to incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 145 and Thunderbird 145.

When was CVE-2025-13023 disclosed?

CVE-2025-13023 was first published in the National Vulnerability Database on November 11, 2025, with the most recent update on April 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-13023 actively exploited?

CVE-2025-13023 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 19.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

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

CVE-2025-13023 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2025-13023?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-13023, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2025-13023

📅 Published

🔄 Last Modified

📋 Advisory Details (3)

Security Vulnerabilities fixed in Thunderbird 145 — Mozilla

Security Vulnerabilities fixed in Firefox 145 — Mozilla

Access Denied

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2025-13023?

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Published

Last Modified

Advisory Details (3)

Frequently asked(5)

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